THE BEST KETO COLLAGEN SUPPLEMENTS THAT ACTUALLY WORK (2025 UK GUIDE)
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Time to read 6 min
Starting your keto journey feels amazing. Your energy is through the roof, those pesky sugar cravings are gone, and the scales are finally moving in the right direction!
But there's a sneaky little secret nobody talks about on keto...
Your hair might start looking a bit lifeless. Your skin loses its glow. And those nails? They're not exactly Instagram worthy anymore.
Collagen can be your best friend on Keto, and can help repair those split ends and cracked nails.
Problem is... The supplement market is absolutely mental right now! Every brand claims to have the perfect collagen formula for keto, but most are packed with nasty additives and hidden carbs that'll kick you right out of ketosis.
Here's the real kicker... some popular collagen brands are adding sugar alcohols and fillers that can mess with your gut AND your ketone levels. Yikes!
But don't worry, I've got your back! After testing hundreds of products (literally my bathroom cabinet is overflowing), I've found the absolute best keto-friendly collagen supplements for 2025 . These gems will keep you in ketosis while giving you that healthy glow we're all after.
Ready to discover which collagen supplements actually deliver what they promise? Let's take a look...
Best Collagen Supplements for the Keto Diet (UK)
As a seasoned keto dieter with many years under my belt, I've seen the difference collagen makes.
After using collagen, my hair feels thicker, my nails are stronger, and my skin has a newfound glow.
But there are some duds out there that are loaded with:
- Anti-keto ingredients
- Carbs
- Artificial sweeteners
- Fillers
I’ve done the hard work for you and tested a bunch of them over the years.
So here are my top choices for the best collagen supplements perfect for a keto diet...
Affiliate Disclosure: At Keto Collective, we're excited to share top keto products through our blog. Links to products in our content may be affiliate links. If you buy through them, we may earn a commission AT NO COST TO YOU. As an Amazon Associate, we earn from qualifying purchases. We only recommend products WE LOVE!
Hunter & Gather Bovine Collagen
Hunter & Gather have done it again. Both of their collagen supplements are our top choices for 2025.
The first of their two collagens is their bovine version.
Why we love it:
Pure Collagen Peptides - only 1 ingredient
Sourced from Grass Fed EU Cattle
Completely Unflavoured
Enhances skin, hair, and nails and great for joint and gut health support
Mixes well with drinks and food
No added sugars or fillers
Keto-Friendly (Of-course!)
13,000mg or Collagen per serving!
Type 1 & 3 collagen included
If you're after healthier hair, stronger nails, and happier joints on keto, Hunter & Gather Bovine Collagen Powder could be your go-to. This bovine collagen powder gets straight to the point – no added sugar, no fillers, just pure protein power.
In my experience, it blends like a dream into hot drinks. My nails practically transformed after a couple of weeks, growing stronger and less prone to breakage. Even my hair seemed to have a bit more life to it. It's also a breeze to add to soups and smoothies, with barely a whisper of extra flavour (Which can sometimes be offputting with collagen).
For the quality and results, it's definitely worth considering.
The thing we LOVE about these collagen products at The Keto Collective is that they always source their ingredients with integrity. No dodgy practices from this company!
Overall, this is a top pick for anyone wanting a pure and simple collagen boost on keto. It's like a little secret weapon for your beauty and health goals, all wrapped up in one convenient pouch.
(Amazon Aff Link)
Hunter & Gather Marine Collagen
Comes second to the bovine version only because of the slightly smaller serving of collagen per serving, and also as this only contain type 1 collagen, whilst the bovine version contains 1 & 3.
Apart from that, its an absolute winner, and will appeal to all pescatarians out there!
Why we love it:
- Only 1 ingredient, MSC Approved White Fish
- Unflavoured Type 1 Collagen
Easy to mix into smoothies or coffee
Contains no sugar, dairy, or grains
Supports healthy hair, nails and skin
10,000mg collagen per serving
After swapping to this supplement from the bovine version, the results were equally impressive. My nails are stronger, my skin feels softer, and even my joints feel a bit more flexible. It's as simple as mixing and sipping – though giving it a minute to dissolve helps!
And just like their bovine version, this collagen has ingredients from green sources. As you know, we like to keep things as clean and green as possible at The Keto Collective!
This collagen is pure and simple, coming in a recyclable pouch with no added junk. If you're looking for a way to boost your keto glow-up, this is a good bet. Hunter & Gather have really nailed keto-friendly collagen products.
I continue to use both of these collagens to this day!
(Amazon Aff Link)
And... One to Avoid...
If you care about ingredient sourcing be wary of this big brand - Vital Proteins
I started using Vital Proteins Collagen for a short period of time, and although I did see positive results in my hair and nails, I was quickly brought up to date with their unethical practices by a colleague.
Vital has been linked to deforestation in Brazil, which was covered in this article from The Guardian .
This is a major no-no for us at The Keto Collective. You could create the best product in the world, but if it comes at the expense of nature's destruction, then it goes in the BIN!
Choosing Your Keto Collagen: Buying Guide
Ok, now you know which Collagen we recommend, it’s up to you to make the choice that fits your taste and lifestyle.
Here's what to watch out for and consider:
Low-carb: This is non-negotiable. Some collagen supplements are loaded with sugar and fillers—avoid those like the plague! It is not keto, and we don’t endorse it!
Ingredients: Keep it simple. Look for pure collagen peptides without unnecessary additives or artificial sweeteners.
Types: Collagen comes in different types, each with its own benefits. Type I is great for the skin, while Type III supports your joints and gut health.
Form: Powder, capsules, or liquid? Pick what works best for your lifestyle and budget. Don’t like swallowing tablets? Then make sure you choose wisely. Personally I prefer the powder
Flavour: If you're going with powder, make sure it tastes good or at least mixes well with your favourite keto drinks, otherwise you will have major buyers regret.
Source: Collagen can come from cows, fish, or chicken. Choose the source that aligns with your preferences and dietary needs. We prefer Bovine for its high collagen level.
Finally... On Our Top Collagen Pick for Keto
And there you have it! These are my go-to collagen supplements that won't kick you out of ketosis, and will give your skin, hair and nails a much needed boost.
Our friends at Hunter & Gather are the clear winners here!
They continue to deliver the goods when it comes to Keto-friendly supplements.
Both their Bovine and Marine versions gave me noticeable boosts to my skin, hair, and nail health, and my joints have been ache-free since starting. They were also never a chore to consume, which is a delight in comparison to those supplements that are a nightmare to chug down!
Cheers to glowing skin, strong nails, and happy joints!
SUZIE WALKER
Keto Collective Co-Founder & Naturopathic Nutritionist dipNT.CNM
Suzie has researched and reviewed the many health benefits of low-carb living. She co-founded The Keto Collective, a company that aims to make it easier to find whole food, great tasting, keto alternatives to their everyday favourites.
Affiliate Disclosure: At Keto Collective, we're excited to share top keto products through our blog. Links to products in our content may be affiliate links. If you buy through them, we may earn a commission AT NO COST TO YOU. As an Amazon Associate, we earn from qualifying purchases. We only recommend keto products we believe in, and align with our lifestyle commitment. We're transparent about our affiliate relationship to comply with guidelines. Your trust is vital, and we're dedicated to providing the best keto resources and recommendations. Thank you for being part of our community!
