Naked Nutrition Collagen Peptides Review: Is It Worth Buying?

If there's one supplement people ask me about more than any other, it's collagen.Some people swear by it. Others think it's just another wellness trend. I've been taking collagen for years, long before it exploded across social media, and unlike many people, I didn't start taking it for my skin.

I started taking hydrolysed collagen peptides because I was mountain biking, strength training and putting my body through a lot. My old personal trainer recommended adding collagen to support my recovery, and it quickly became part of my daily routine.

A few years later, after completing beauty and skincare courses and spending more than 15 years reviewing skincare products, everything suddenly made sense. I realised collagen wasn't just relevant to recovery. As our natural collagen production declines with age, it also made sense alongside the way I already looked after my skin.

That combination is what makes this review different. I'm looking at Naked Nutrition Collagen Peptides from two perspectives: someone who's relied on collagen for years to support an active lifestyle, and someone who's spent more than 15 years testing skincare and learning about ingredients.

When Naked Nutrition asked if I'd like to revisit their collagen peptides, I didn't need much convincing. I'd already bought this unflavoured collagen powder with my own money because I loved its simple ingredients, transparent approach and the fact it fitted effortlessly into my routine.

In this Naked Nutrition Collagen Peptides Powder review, I'll share exactly what I think after years of taking collagen and why Naked Nutrition remains one of the few supplements I've continued buying long before we ever worked together.

Quick Take

If you're looking for a clean collagen supplement with no unnecessary fillers, artificial sweeteners or complicated ingredient lists, Naked Nutrition Collagen Peptides is one of the best collagen powders I've tried.

It's made with one simple ingredient, mixes effortlessly into water, coffee or smoothies and has become one of the few supplements I've continued buying with my own money. I like that it's unflavoured, easy to use and completely transparent about what's inside.

It's not a miracle product, and it won't replace a healthy diet or a good skincare routine. But if you're looking for a high-quality collagen supplement that's realistic enough to become part of your everyday routine, I genuinely think it's well worth considering.

Would I buy it again?

I already have.

Mixed Naked Nutrition Collagen Peptides drink alongside the collagen tub and a mountain biking helmet after a ride.
AD collaboration. All opinions are, as always, my own. I purchased Naked Nutrition Collagen myself before working with the brand, and this review is based on my long-term experience using the product.

Who Is Naked Nutrition?

Naked Nutrition is a brand built around a simple idea: supplements shouldn't need long ingredient lists to be effective. Instead of adding artificial flavours, sweeteners or unnecessary fillers, they focus on high-quality ingredients and complete transparency.

That philosophy is one of the reasons I first tried the brand. As someone with a soya allergy and IBS, I appreciate products that keep things simple, and I like knowing exactly what I'm putting into my body. It's also reassuring that Naked Nutrition invests in third-party testing and is open about where its ingredients come from.

While they offer a growing range of protein powders and wellness supplements, it's their straightforward approach that has kept me coming back over the years.

What Makes a Good Collagen Supplement?

After years of reviewing beauty products, completing beauty and skincare courses and taking collagen myself, I've learnt one thing: not all collagen supplements are created equal.

With so many collagen powders promising amazing results, it's easy to get distracted by clever marketing. I always ignore the claims and head straight for the ingredient list.

The first thing I look for is collagen peptides, also known as collagen hydrolysate. This form has been broken down into smaller peptides, making it easy to mix into water, coffee, smoothies or yoghurt.

Next, I look for simplicity. If I'm buying a collagen supplement, I want collagen, not a long list of fillers, artificial sweeteners, preservatives or unnecessary additives. As someone with a sensitive stomach, I've learnt that less is often more.

Quality matters just as much. I always choose grass-fed bovine collagen peptides from brands that are open about where their ingredients come from. Growing up in a farming family has definitely shaped the way I think about food quality, so transparency is something I genuinely value.

Finally, I like to see independent third-party testing. It's another sign that a brand cares about quality and that what's on the label is exactly what's in the tub.

For me, Naked Nutrition Collagen Peptides ticks every one of those boxes, which is exactly why I've continued buying it over the years.

Naked Nutrition Collagen Peptides collagen powder tub photographed on grass for an honest review.

What's Inside Naked Nutrition Collagen Peptides?

One of the reasons I keep coming back to Naked Nutrition is its simple approach. Instead of adding unnecessary ingredients, they focus on quality and transparency.

The ingredient list couldn't be much shorter.

Just one ingredient: 100% grass-fed, pasture-raised bovine collagen peptides.

There are no artificial sweeteners, flavours, preservatives or fillers. As someone with IBS and a soya allergy, I really appreciate products that don't include unnecessary extras simply to make the label look more impressive.

Each serving provides 9g of collagen protein for just 35 calories, with no fat, carbohydrates or added sugar. It's also flavourless and odourless, making it easy to stir into water, coffee, smoothies or yoghurt without affecting the taste.

The collagen comes from grass-fed, pasture-raised cattle, something I genuinely value after growing up in a farming family. It's also gluten-free, soya-free, non-GMO and independently third-party tested for purity, giving me confidence that what's on the label is exactly what's in the tub.

For me, that's exactly what a good collagen supplement should be: one high-quality ingredient and complete transparency.

Why Does Collagen Matter?

People often think collagen is only about reducing wrinkles, but it's so much more than that.

Collagen is the most abundant protein in the human body. It provides structure and strength to our skin, bones, joints, cartilage, tendons and ligaments, making it an important part of keeping our bodies healthy and active.

As we get older, our natural collagen production gradually declines. That's a normal part of ageing and one of the reasons many people choose to add collagen peptides to their daily routine. Research also suggests that taking collagen consistently may help support skin hydration, elasticity and the appearance of wrinkles over time, particularly when combined with other healthy lifestyle habits. (You can read the research here.)

While many people first hear about collagen because of its beauty benefits, that's only part of the reason it interests me. Mountain biking is tough on the body, so I like knowing I'm also supporting the connective tissues and joints that work hard every time I ride.

It's important to keep realistic expectations. Collagen isn't a miracle cure, and it won't replace a healthy diet, regular exercise or a good skincare routine. For me, it's simply another healthy habit that fits alongside everything else I already do to look after myself.

What Type of Collagen Does Naked Nutrition Use?

One thing I think is often overlooked when buying a collagen supplement is the type of collagen you're actually getting. Before I started learning more about collagen, I honestly didn't realise there were different types either.

Naked Nutrition Collagen Peptides contain both Type I and Type III collagen, which are the two types I personally look for.

Type I collagen is the most abundant collagen in the body and is found in our skin, bones, tendons and ligaments. It's the type most people associate with supporting healthy skin and helping maintain its structure as we get older.

Type III collagen works alongside Type I and is found in the skin, muscles and connective tissues. Together, they make a great combination for anyone looking to support both healthy skin and an active lifestyle.

That's one of the reasons this collagen appealed to me in the first place. I don't want to choose between looking after my skin and looking after my body. I want products that support both, and that's exactly what I get from the combination of Type I and Type III collagen.

Naked Nutrition Collagen Peptides at a Glance

Collagen Type: Type I & Type III collagen

Source: Grass-fed, pasture-raised bovine collagen

Protein: 9g of collagen protein per serving

Calories: 35 per serving

Flavour: Unflavoured

Gluten-Free: ✔ Yes

Soya-Free: ✔ Yes

Non-GMO: ✔ Yes

Third-Party Tested: ✔ Yes

Artificial Sweeteners: ✘ None

Artificial Flavours: ✘ None

Preservatives: ✘ None

Servings: Approximately 63 per 600g tub

When Should You Start Taking Collagen?

One of the questions I'm asked most is, "When should I start taking collagen?"

The honest answer is that there isn't one perfect age. Your reasons for taking collagen will probably change throughout your life, just like mine have.

Our natural collagen production gradually starts to decline from our mid to late twenties. That's a normal part of ageing and one of the reasons many people begin looking at collagen peptides in their thirties. That doesn't mean you need to rush out and buy a collagen supplement the day you turn 30, but it does help to understand what's happening beneath the surface before you start noticing those changes.

For me, collagen wasn't about skincare to begin with. Years ago, my personal trainer recommended hydrolysed collagen peptides because of the amount of mountain biking and strength training I was doing. I wanted to support my recovery so I could keep riding.

These days, I appreciate both sides of collagen. It fits naturally alongside my skincare routine, but I still think of it as supporting the active lifestyle I love just as much as my skin.

I've never taken collagen to try and stop ageing. For me, it's simply another healthy habit that helps me look after my body for the long term.

Why It Fits My Lifestyle

Mountain biking isn't exactly gentle on the body.

Between long rides, technical descents, strength sessions, hours on Zwift and the occasional crash (because let's be honest, if you're not flying, you're not trying!), my body takes a fair bit of punishment. Recovery isn't something I only think about after a race anymore; it's something I think about every day.

Protein will always be my priority for repairing muscles after training, but collagen has its own place in my routine. While protein supports muscle recovery and maintaining muscle mass, collagen provides amino acids that support connective tissues, cartilage and joints, all of which work just as hard every time I'm out on the bike.

I first started taking collagen to support my recovery as an athlete, and that's still a big reason I use it today. I don't just want to ride well now; I want to keep exploring new trails, travelling with my bike and enjoying the sport for years to come.

For me, collagen is another healthy habit that fits naturally alongside eating well, staying strong and giving my body the recovery it needs.

How I Use Naked Collagen Every Day

One of the reasons I've stuck with collagen for so many years is because it's so easy to fit into my day.

Every morning, before I've even switched the coffee machine on, I mix one scoop of Naked Nutrition Collagen into a glass of water. I use a little milk frother rather than a shaker bottle because it dissolves the collagen powder in seconds with no clumps, grit, smell or aftertaste.

Finding an unflavoured collagen powder that genuinely tastes of nothing is harder than you'd think. I've tried products that claimed to be flavourless but still had a noticeable taste. This one really doesn't.

Although plain water is my go-to, I've also mixed it into smoothies, yoghurt, overnight oats and even baking. Because it's unflavoured, it blends in without changing the taste.

I travel a lot for mountain biking, whether that's races, training camps or holidays, so I also appreciate how easy it is to pack. As long as I've got water and my little frother, I can keep exactly the same routine wherever I am.

These days it's become part of both mine and Hugo's morning routine. Before the coffee is brewing, we're making our collagen and chatting about the day ahead. It doesn't feel like another task on my to-do list anymore; it's simply how I start my day.

Can You Take Collagen and Protein Together?

Absolutely, and it's something I do every single day.

One of the biggest misconceptions I come across is that people think they have to choose between a collagen supplement and a protein powder. They do different jobs, which is exactly why I use both.

After a long mountain bike ride, a tough strength session or an evening on Zwift, I'll usually have a whey protein powder. It's a complete protein containing all the essential amino acids needed to support muscle recovery and help me reach my daily protein target.

Collagen peptides are different. Although they provide protein, they aren't designed to replace a quality protein powder. I take collagen every morning because it contains important amino acids that help support connective tissues.

For me, it isn't about choosing one over the other. Whey protein helps me recover after training, while collagen has become another healthy habit that fits alongside my active lifestyle and skincare routine.

If you've already read my Naked whey protein powder review, you'll know I'm a big believer in keeping my supplements simple and choosing products with high-quality ingredients. Using both together has worked really well for me, and I genuinely think they complement each other rather than compete.

My Results After Taking Naked Nutrition Collagen Peptides

People always ask me whether taking collagen has actually made a difference, and my answer is always the same: I wouldn't have kept buying it for years if I didn't think it was worth it.

The biggest change I've personally noticed is in my skin. After spending more than 15 years reviewing skincare products, I've become pretty good at recognising when my skin is looking and feeling its best. When I consistently use collagen alongside the skincare products I already know work for me, my complexion looks healthier, feels more hydrated and has the natural bounce I'm always trying to achieve. It's not a dramatic overnight transformation, but it's one of those subtle differences I really notice when I stop taking it.

I've also noticed a difference in how my body feels after training. Mountain biking isn't exactly a gentle sport. Between long rides, strength sessions, technical descents and the occasional crash, recovery has become just as important to me as training itself.

I would never claim collagen is the only reason I recover well. Good nutrition, enough protein, quality sleep and staying active all play a much bigger role. But I do feel my knees and joints are happier, and I don't feel quite as stiff after demanding weeks on the bike when collagen is part of my routine.

Of course, everyone's experience will be different, but these are my genuine observations after years of taking collagen. That's exactly why Naked Nutrition Collagen Peptides remains one of the few supplements I've continued buying with my own money, long before this collaboration came along.

How Long Does Collagen Take to Work?

One of the questions I get asked most is, "How long does collagen take to work?"

The honest answer is that collagen isn't an overnight fix.

If you're hoping to take collagen peptides for a week and wake up looking ten years younger, I'm afraid you're going to be disappointed. Just like improving your fitness, building strength or creating a good skincare routine, the best results come from consistency over time.

That's something the research reflects too. Studies looking at oral collagen supplementation have typically followed people for 8 to 12 weeks rather than just a few days, suggesting that consistency is far more important than expecting instant results. If you're a bit of a science geek like me, you can read one of the studies here.

I've been taking collagen in one form or another for years, so I don't really think about it in terms of weeks anymore. It's simply become part of my everyday routine, much like applying SPF or making sure I eat enough protein to support my training.

Interestingly, I notice the biggest difference when I stop taking it. My skin doesn't seem to have quite the same healthy glow, and after demanding weeks on the bike my body doesn't feel quite as happy either. That's usually my reminder that the small habits I've built over the years really do add up.

Everyone's experience will be different, and factors like your age, diet, lifestyle and overall health all play a role. My advice is simple: don't judge a collagen supplement after a week or two. Give it time, be consistent and think of it as part of your long-term approach to supporting your skin and body rather than a quick fix.

Who Would I Recommend Naked Nutrition Collagen Peptides To?

Honestly?

Just about everyone... and no, I'm not joking.

Over the years I've become that person who's always talking about collagen. My husband takes it. My in-laws take it. Friends have started taking it after hearing me bang on about it, and these days everyone expects collagen to come up whenever we're chatting about health, recovery or skincare.

The reason is simple. Our natural collagen production declines as we get older, whether we're athletes or not. That's why I think a good collagen supplement is one of those habits that's worth considering.

I'd especially recommend Naked Nutrition if you:

  • want a clean collagen supplement with one simple ingredient

  • prefer grass-fed bovine collagen peptides

  • are looking to support your skin as part of a good skincare routine

  • want to support your joints and connective tissues alongside an active lifestyle

  • have a sensitive stomach and prefer straightforward ingredients

  • need a gluten-free and soya-free collagen powder

  • want an unflavoured collagen powder that's easy to mix into water, coffee, smoothies or yoghurt

  • appreciate brands that are transparent about their ingredients and invest in third-party testing

I probably wouldn't recommend it if you're looking for a flavoured collagen drink or a supplement packed with added vitamins and trendy extras.

For me, that's actually one of its biggest strengths. It focuses on doing one thing really well, and after buying it with my own money more than once, it's a product I'd happily recommend to the people closest to me.

Three Common Mistakes People Make When Taking Collagen

I've become known among my family and friends as the collagen girl. Honestly, if you ask my husband, my in-laws or my friends, they'll probably tell you I think everyone should at least consider taking collagen. So when people ask me what mistakes to avoid, these are always my answers.

1. Expecting instant results

Collagen isn't a miracle product, and it won't transform your skin or joints overnight. Just like eating well or exercising, the benefits come from consistency. Everyone I know who's stuck with collagen, myself included, has treated it as a long-term habit rather than a quick fix.

2. Choosing marketing over quality

There are hundreds of collagen powders on the market, many packed with fillers, artificial sweeteners and long ingredient lists designed to sound impressive. I'd much rather buy a clean collagen supplement made with high-quality grass-fed bovine collagen peptides than pay extra for clever marketing.

3. Thinking collagen replaces protein

This is probably the biggest misconception I come across. Collagen does contain protein, but it isn't a replacement for a complete protein like whey. I still make sure I'm eating enough protein to support muscle recovery after training, while collagen has its own place in my routine.

If you ask my husband, though, he'd probably tell you there's a fourth mistake... listening to me talk about collagen after I've had a coffee!

Joking aside, I think the secret is finding a high-quality collagen supplement that's so easy to fit into your day that you actually remember to take it.

Sustainability and Transparency

The older I get, the less interested I am in clever marketing and the more interested I am in knowing exactly what I'm putting into my body.

That's one of the reasons I like Naked Nutrition. They don't hide behind long ingredient lists or unrealistic promises. Instead, they're upfront about what's in the tub, where the collagen comes from and how it's tested.

Growing up in a farming family probably shaped the way I think about food quality. I appreciate that their collagen comes from grass-fed, pasture-raised cattle, and I like that the brand invests in independent third-party testing for purity.

For me, trust matters just as much as the ingredients themselves. That's one of the reasons I've continued buying Naked Nutrition over the years.

Price and Availability in the UK

Naked Nutrition Collagen Peptides is available directly from the Naked Nutrition UK website and comes in a 600g tub with around 63 servings.

A one-off purchase costs £38.99, working out at approximately 61p per serving. If, like me, you take collagen every day, you can subscribe for £31.19, reducing the cost to around 50p per serving. You can also pause, change or cancel your subscription whenever you like.

At first glance, nearly £39 might seem expensive, but when you break it down, it's around the same price as a daily coffee. I'd much rather spend my money on a high-quality grass-fed collagen supplement with transparent sourcing than a cheaper product padded out with fillers and unnecessary ingredients.

For something I use every day, I genuinely think it offers excellent value for money.

Pros and Cons

Pros

  • One simple ingredient

  • Type I & Type III grass-fed bovine collagen peptides

  • 9g of collagen protein per serving

  • Truly unflavoured with no unpleasant aftertaste

  • Mixes easily into water, coffee, smoothies and yoghurt

  • Gluten-free, soya-free and non-GMO

  • Third-party tested for quality and purity

  • No artificial sweeteners, flavours or fillers

  • Excellent value per serving, especially with a subscription

Cons

  • Only available unflavoured, so it won't suit everyone

  • Don't expect overnight results; consistency is key

  • Higher upfront cost than some supermarket collagen powders


Final Verdict

Naked Nutrition Collagen Peptides has earned a permanent place in my kitchen cupboard, and I don't say that lightly. As someone who reviews beauty products and supplements for a living, very few products become repeat purchases. This is one of them.

I've tried plenty of collagen brands over the years, but I keep coming back to Naked Nutrition because it's a no-nonsense company. There are no unnecessary extras, no over-the-top marketing and no inflated claims, just a high-quality collagen supplement made with one simple ingredient.

Will collagen transform your skin overnight?

No.

Will it replace a healthy diet, regular exercise or a good skincare routine?

Absolutely not.

But if you're looking for a clean, high-quality collagen supplement made with grass-fed bovine collagen peptides, I genuinely think Naked Nutrition is well worth considering.

The biggest compliment I can give it is this: I was buying it before this collaboration, and I'll almost certainly still be buying it long after it, as it's important to support healthy skin, hair and nails. 

Sometimes the best products aren't the ones making the biggest promises. They're the ones that quietly become part of your everyday life.

For me, Naked Nutrition Collagen Peptides is one of those products.

Frequently Asked Questions

Does Collagen Actually Work? My Experience After Taking It for Years

I completely understand why people ask this because there always seems to be a new "must-have" supplement promising amazing results.

The truth is, collagen isn't a miracle product. If you're looking for something that will erase wrinkles overnight or replace a healthy lifestyle, you're going to be disappointed.

I've been taking collagen peptides for years because I believe in looking after my body for the long term. For me, it's another healthy habit, just like wearing SPF, staying active and eating enough protein.

Would I stop taking collagen after all these years?

No.

I've bought Naked Nutrition Collagen Peptides with my own money more than once because it's simple, made with one high-quality ingredient and fits effortlessly into my routine.

If you're thinking about trying collagen, my advice is simple: have realistic expectations, take it consistently and think of it as one part of a healthy lifestyle rather than a quick fix.

Is Naked Nutrition Collagen Peptides worth buying?

For me, yes. It's made with one simple ingredient, uses grass-fed bovine collagen peptides and focuses on quality rather than unnecessary fillers or artificial additives. The fact I've bought it with my own money more than once is probably the biggest compliment I can give it.

What are collagen peptides?

Collagen peptides, also called collagen hydrolysate or hydrolysed collagen, are collagen that's been broken down into smaller pieces, making it easy to dissolve into drinks and foods.

Is collagen hydrolysate the same as collagen peptides?

Yes. They're simply different names for the same thing.

Is it safe to take collagen every day?

I do, and that's one of the reasons it's become such an easy habit to stick to. As always, if you have any medical conditions or concerns, it's sensible to check with your healthcare professional before starting any new supplement. If you're pregnant, breastfeeding or have a medical condition, always speak to your healthcare provider before starting any supplement.

How much collagen should you take each day?

I simply follow the recommended dosage on the tub, which is one scoop each day.

When should you take collagen?

Whenever you'll remember it. I take mine first thing in the morning before my coffee, but consistency matters far more than the time of day.

Can you take collagen and protein powder together?

Absolutely. I use whey protein after training to support muscle recovery and collagen as part of my everyday routine. They do different jobs, so I use both.

Is collagen a complete protein?

No. Collagen contains protein but isn't a complete protein because it doesn't provide all nine essential amino acids. That's why I still make sure I eat enough protein and use whey after training.

Does collagen replace a good skincare routine?

Definitely not. For me, SPF, a consistent skincare routine and ingredients like tretinoin always come first. I see collagen as something that complements those habits, not replaces them.

Can collagen support healthy skin?

helping support your skin's structure and elasticity depends on lots of factors, including genetics, sun exposure, nutrition, sleep and skincare. I simply see collagen as one part of my overall approach.

Can collagen help support joints?

It's one of the reasons I started taking it. I still see collagen as part of a bigger picture that includes good nutrition, strength training and proper recovery.

Is Naked Nutrition Collagen gluten-free and soya-free?

Yes. As someone with a soya allergy and a sensitive stomach, that's one of the reasons I like it.

Can you mix Naked Nutrition Collagen into coffee?

Yes. I usually mix mine into water before my coffee, but it also works well in coffee, smoothies, yoghurt and overnight oats because it's unflavored.

Can you take collagen on an empty stomach?

Yes, and that's exactly how I take mine every morning. I've never had any issues, but you can take it with food if you prefer.

How long does collagen take to work?

Don't expect overnight results. I think of collagen as a long-term habit rather than a quick fix, and I notice the biggest difference when I stop taking it.

If a friend asked me whether they should take collagen, what would I say?

I'd tell them exactly what I've told my husband, my in-laws and plenty of friends over the years: keep it simple. Choose a good-quality collagen supplement, take it consistently and don't expect miracles. The best results come from small habits you can stick to for years.

Further Reading

I'm a bit of a geek when it comes to skincare ingredients and supplements, so if you're anything like me, I've linked to a couple of the research papers I found most interesting throughout this review. They're well worth a read if you enjoy learning a little more about the science behind collagen.

Naked Nutrition Collagen Peptides review featuring the unflavoured collagen powder, prepared drink and mountain bike helmet during my daily wellness routine

About the Author

Laura is a qualified beauty therapist, sponsored mountain bike athlete and the founder of Miss LJ Beauty. With over 15 years of experience in the beauty industry and a passion for healthy ageing, she combines professional expertise with real-world testing to create honest, in-depth reviews that help readers make informed beauty and wellness choices.

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