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Description

Pure collagen. No fillers. No compromise. Onyx Nutra's Marine Collagen Powder is a gold-standard, high-strength Type 1 & 3 collagen sourced from 100% Halal marine (fish) peptides — free from fat, sugar, cholesterol, purines, and additives. Each 10g scoop delivers 9.2g of protein and all 8 essential amino acids, with a complete amino acid profile including Glycine, Proline, Hydroxyproline, and more. Unflavoured and versatile — blend into tea, coffee, shakes, or any drink. 15 servings. MSC-certified sustainable fishery. Made in the UK.


Delivery

All UK orders are dispatched on a fully tracked service, with delivery expected in 1–2 business days. Please note that orders submitted after 5pm, or on weekends and bank holidays, will be picked up and processed on the next available business day.

For results that last

Pure collagen. Taken daily. Compounded over time.

Marine collagen peptides are rapidly absorbed by the body — but the structural results in skin, hair, nails, and joints take time to build. With 9.2g of protein and 8 essential amino acids per serving, this is a formula you take daily for the long term. Add one scoop to your morning coffee, smoothie, or tea and make it a habit. Collagen is a long game — and this is the cleanest, purest way to play it.

Ingredients & Dosage

Ingredients: 100% Marine Collagen Peptides (Fish) — Halal Marine-derived, Hydrolysed.

Allergens: Contains Fish. Not suitable for vegans, vegetarians, or those with a fish or shellfish allergy or intolerance.

Directions: Add 1 scoop (10g), stir well, leave for 2 minutes before consumption.

Serving Size: 10g (1 Scoop)Servings Per Container:Approx. 15

FAQs

Marine Collagen Peptides 300g

Marine Collagen Peptides 300g

100% Marine Hydrolysed & Wild-Caught

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It's what's inside That Counts

Elevate your health with a comprehensive selection of gummies, powders, and supplements.

  • Marine Collagen Peptides
    9.2g protein per scoop

    Pure hydrolysed Type 1 & 3 collagen from MSC-certified sustainable fishery.

  • Glycine
    2,924mg per serving

    The most abundant amino acid in collagen, naturally found in bone broth.

  • Proline
    1,219mg per serving

    Amino acid your body uses to build collagen, naturally found in dairy.

  • Hydroxyproline
    702mg per serving

    Unique amino acid found almost exclusively in collagen — scientists' marker for it.

  • Glutamic Acid
    1,198mg per serving

    Amino acid naturally abundant in collagen, tomatoes, parmesan, and mushrooms.

  • Alanine
    1,085mg per serving

    Non-essential amino acid abundant in collagen and animal proteins.

FAQs

Got questions? We’ve got answers.

This powder contains 100% Marine Collagen Peptides (Fish) — a Type 1 & 3 collagen, the most abundant types found in skin, hair, nails, and connective tissue.

Yes — this is a Halal Marine-derived collagen powder, sourced from an MSC-certified sustainable fishery.

Each 10g scoop provides 9.2g of protein along with all 8 essential amino acids and a full collagen amino acid profile.

Add 1 scoop (10g) to tea, coffee, a milkshake, or any drink. Stir well and leave for 2 minutes before consuming. The powder may take a moment to fully dissolve — slight taste is expected.

No — this product is not suitable for vegetarians, vegans, or those with a fish or shellfish allergy or intolerance.

It is free from fat, sugar, cholesterol, purines, and additives — 100% pure marine collagen peptides with nothing added and nothing unnecessary.

Each 300g bag provides approximately 15 servings at one 10g scoop per day. A scoop is included.

Trusted by over 50,000+ customers

Trust is earned so we prove it

Best marine collagen I've used.

Best marine collagen I've used. Mixes well in coffee with a quick stir. Unflavoured really means unflavoured, no fishy aftertaste at all. 9.2g protein per scoop is the macro detail I needed.

Charlotte H. Cheltenham · 10 March 2026
MSC-certified marine sourcing.

MSC-certified marine sourcing was the deciding factor — wanted to know it was sustainable. Three months in, skin and nails are noticeably stronger. Halal certified is rare for marine collagen, this nailed both.

Raksha B. Wembley · 27 February 2026
Quality powder.

Quality powder. Four stars because the scoop tucked in the bag is hard to find amongst the powder — minor packaging gripe. Otherwise the product itself is exactly what it promises. Skin glow is real.

Donna T. Norwich · 9 April 2026
My favourite brand.

Switched from a German brand and saved money for the same quality. Pure collagen, no fillers. Add it to my morning protein shake and don't notice it. Will be reordering.

Marek W. Slough · 31 January 2026
My knees stopped clicking.

9.2g protein per scoop is properly meaningful. Goes into smoothies without changing the texture or taste. Hair, skin, nails all benefit but the joint comfort is what I notice most, knees stopped clicking.

Joelle S. Stratford · 19 March 2026

Customer Reviews

Overall rating: 4.4 / 5 from 39 reviews.

Customer photo review of Marine Collagen Peptides 300g

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Marine Collagen Peptides 300g

Store owner replied: Hi Tomasz, Thank you so much for your 5-star rating! ⭐⭐⭐⭐⭐ We really appreciate you taking the time to support us. Even without a written review, your feedback means a lot to our team. We hope you're enjoying your purchase, and we look forward to serving you again soon! 💚 Lisa - ONYX NUTRA™

Love it

Marine Collagen Peptides 300g

Store owner replied: Hi Shannon, Thank you for your kind feedback. Lisa - ONYX NUTRA™

Thank you for send me this.realy good taste and well quality and please send me a voucher for next new purchase. Thanks

Marine Collagen Peptides 300g

Store owner replied: Hi Ayesha - That’s so lovely to hear and thank you for your honest feedback! Lisa - ONYX NUTRA™

Seen such a difference in my hair and skin. Remember to take in orange juice.

Marine Collagen Peptides 300g

My skin feels firmer and more hydrated, and I�ve had loads of compliments on how healthy I look.

Marine Collagen Peptides 300g

Love that ONYX Nutra uses high-quality peptides, you can really tell the difference in how well it works.

Marine Collagen Peptides 300g

My skin�s never looked this plump and youthful, and I�ve had mates asking what my secret is.

Marine Collagen Peptides 300g

This collagen is a game-changer for my routine, and I�ll definitely be sticking with it long-term.

Marine Collagen Peptides 300g

I�ve seen a noticeable reduction in dry patches on my skin, and it feels much softer now.

Marine Collagen Peptides 300g

Noticed my skin�s elasticity improving, and those pesky forehead lines are starting to fade�well happy.

Marine Collagen Peptides 300g

My joints feel less creaky after workouts, and recovery time has improved loads since I started taking this.

Marine Collagen Peptides 300g

This marine collagen has become a non-negotiable part of my daily routine�it�s that good.

Marine Collagen Peptides 300g

My skin�s got this natural glow now, and I don�t even need as much makeup�lovely stuff.

Marine Collagen Peptides 300g

The powder mixes easily into my morning cuppa with no nasty aftertaste, which is a massive win in my book.

Marine Collagen Peptides 300g

The halal certification was a big plus for me, and the quality is spot on�no compromises.

Marine Collagen Peptides 300g

The fact it�s derived from wild-caught salmon gives me peace of mind about the purity and quality.

Marine Collagen Peptides 300g

The powder is so fine it blends seamlessly into my coffee, and there�s zero aftertaste�spot on.

Marine Collagen Peptides 300g

The fact it�s type 1 and 3 collagen means it�s working on my skin, hair, and joints all at once�proper efficient.

Marine Collagen Peptides 300g

I love that it�s sourced sustainably, makes me feel like I�m doing my bit while looking after myself.

Marine Collagen Peptides 300g

This stuff is legit, my hair�s thicker and my skin�s more radiant than it�s been in years.

Marine Collagen Peptides 300g

No bloating or digestive issues with this one, which I�ve had with other collagen supplements.

Marine Collagen Peptides 300g

The powder dissolves perfectly in smoothies, and I love that it�s tasteless�no weird flavours ruining my drink.

Marine Collagen Peptides 300g

My fine lines are less noticeable, and my skin just looks fresher overall�dead chuffed.

Marine Collagen Peptides 300g

Been using this for a month, and my complexion is clearer and more even�proper made up with the progress.

Marine Collagen Peptides 300g

Been using it for weeks, and my skin texture has improved so much�it�s proper smooth now.

Marine Collagen Peptides 300g

Love that it�s halal and sustainably sourced, makes me feel good about what I�m putting in my body.

Marine Collagen Peptides 300g

I�ve noticed a real difference in my nail strength, they�re not breaking as easily anymore.

Marine Collagen Peptides 300g

I�ve tried loads of collagen supplements, but this one actually delivers visible results�can�t fault it.

Marine Collagen Peptides 300g

Even my hairdresser commented on how much healthier my hair looks since I started taking this.

Marine Collagen Peptides 300g

My hair and nails have grown so much faster since I started taking this, and they�re stronger than ever�dead impressed.

Marine Collagen Peptides 300g

The quality of this marine collagen is top-notch, and I can tell the difference compared to other brands I�ve tried.

Marine Collagen Peptides 300g

No fishy smell or gritty texture, just a smooth powder that does the job without any fuss.

Marine Collagen Peptides 300g

I�ve noticed fewer fine lines since using this collagen, and my joints feel less stiff too�proper chuffed with the results.

Marine Collagen Peptides 300g

My nails used to peel all the time, but now they�re solid and growing like mad�proper pleased.

Marine Collagen Peptides 300g

gluten free
dairy free
plant based
gluten free
dairy free
plant based
gluten free
dairy free
plant based
gluten free
dairy free
plant based
gluten free
dairy free
plant based
gluten free
dairy free
plant based
gluten free
dairy free
plant based
gluten free
dairy free
plant based
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gluten free
dairy free
plant based
gluten free
dairy free
plant based
gluten free
dairy free
plant based
gluten free
dairy free
plant based
gluten free
dairy free
plant based
gluten free
dairy free
plant based
gluten free
dairy free
plant based
gluten free
dairy free
plant based