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Our Promise
60-day Money-Back Guarantee
Made in the UK
Non-GMO & Pesticide-free
No artificial flavours
Pescatarian Friendly
Naturally Dairy-Free
Wholesome ingredients with real benefits. Our Collagen Complex with Hyaluronic Acid and Sea Kelp contains a superblend of ingredients that nourish your body from the inside. Our collagen formula effectively helps to promote healthy skin, hair & nails, support metabolism, promote cartilage, bone and muscle health, and more.
Supports Skin Health
Supports Skin Health Our Collagen Complex supports the maintenance of healthy skin by contributing to the normal formation of collagen.
Supports Psychological Function
Supports Psychological Function Our Collagen Complex contains ingredients that promote normal psychological functioning and helps to reduce feelings of tiredness and fatigue.
Promotes Immune Health
Promotes Immune Health Our product supports optimal immune function. Your immune system protects your body against dangerous pathogens.
Product Benefits Main Image
Contains Amino Acids
Contains Amino Acids Our Collagen Complex contains high amounts of amino acids. Amino acids are the building blocks of all proteins, including the most abundant fibrous proteins in the skin, as keratins, collagen and elastin.
Supports an energy-yielding metabolism
Supports an energy-yielding metabolism Our Collagen Complex contributes to a energy-yielding metabolism, which allows our body to optimally function.
Maintains healthy bones, cartilage and muscles
Maintains healthy bones, cartilage and muscles Strengthens bones and cartilage by stimulating collagen production.
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Ingredients

The Ingredients in our Collagen Complex

This multi-action formula features a powerful blend of clinically-studied ingredients related to joint health, bones, muscles, immune system & more.

Hydrolysed Marine Collagen
Hydrolysed Marine Collagen 1000mg

Collagen is a protein that is one of the main building blocks of our body's connective tissues, including skin, bones, muscles, tendons and muscles. Collagen makes up nearly 3/4 of our skin and helps to maintain its elasticity.

Zinc
Zinc 2mg

Zinc contributes to the maintenance of nails, skin, hair and cognitive function. It also helps to protect your body from oxidative stress.

Hyaluronic Acid
Hyaluronic Acid 20mg

Hyaluronic Acid is naturally occuring substance that is distributed in the body's connective tissues. Hyaluronic Acid is an important molecule for skin hydration and lubrication of the joints.

Sea Kelp Extract
Sea Kelp Extract 66ug

Sea Kelp is quickly becoming one of the most popular natural ingredients in skincare and wellness products. It provides the body with a natural source of minerals, including iodine.

Biotin
Biotin 1800ug

Biotin promotes skin and hair health. This helps to nourish and support your hair and skin.

Vitamin E
Vitamin E 10mg a-TE

Vitamin E contributes to the protection of cells from oxidative stress, and protects DNA, proteins and lipids from oxidative damage.

Vitamin C
Vitamin C 40mg

Vitamin C helps nourish skin and protect skin cells from oxidative stress. Vitamin C stimulates collagen production, which is a major component of the skin.

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Why marine collagen?

Our Collagen Complex is made with marine collagen peptides (hydrolysed type 1 collagen), which is the most environmentally-friendly type of collagen available. Type 1 collagen is found in our skin, hair, nails, ligaments, teeth and bones, and it is the most abundant type of collagen in the body.

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Optimal absorption

Our collagen formula contains highly bioavailable hydrolysed marine collagen. The process of hydrolysis requires breaking down the proteins in order to support optimal absorption into the bloodstream, allowing you to fully reap the benefits of our collagen formula.

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HMPC Capsule

We use a HMPC (hypromellose) capsule shell for our products, so they contain 0% gelatine. Our collagen complex does however contain marine collagen, so although suitable for pescitarians it is unsuitable for vegans/vegetarians.

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Testimonials Here’s what our customers have to say Over 2513 Satisfied Customers with 5-star reviews. 5 Star Reviews
My skin looks amazing
Ratings

“I’ve tried lots of different collagen products in the past to try and keep my skin nice and reducing damage to it. Nothing has worked as well as the collagen complex! My skin looks healthy and so hydrated. Very satisfied and highly recommend.”

- Carol T

Verified Customer
Really happy I found this
Ratings

“Great product and service. Really happy I found this collagen product. It’s the first I have tried and it’s showing me amazing results.”

- D. R.

Verified Customer
This is the only thing that has worked for me
Ratings

“The Collagen complex is a great collagen product. It has helped me a lot with my hair and skin. My hormonal acne was persistent and I tried it all. This is the only thing that has worked for me.”

- Ann Levy

Verified Customer
I bought more!
Ratings

“Very happy about this collagen. I never thought this would work as well as it does and now I got my sister on it too!”

- Erica

Verified Customer
Loved it so bought your other products too
Ratings

“I have bought both, the collagen, probiotic and I find these to be high quality and honest products.”

- A. Markina

Verified Customer
Pleased!!!
Ratings

“Could not be more pleased with my purchase. I’m convinced that this has helped my skin look more firm and awake.”

- Chloe Bower

Verified Customer
Second purchase
Ratings

“I bought a bottle of collagen complex a month ago and just reordered today. I bought 6 bottles this time so I dont run out.”

- T. A

Verified Customer
Great results
Ratings

“I’m still in early days taking HeyNutrition Collagen, but so far I’m loving the results. My skin is feeling softer and I’m getting less spots on my jaw.”

- Sharlene Riorda

Verified Customer
Amazing hair growth!!!
Ratings

“If you’re hesitating to buy the Collagen Complex, don’t… This is a product that actually WORKS. I started noticing my hair growing faster and now I’ve been on it 3 months. My hair has grown almost 4 inches in 3 months, and my hair doesn’t usually grow fast. It is well worth the money.”

- Tina Fineman

Verified Customer
Wife loves it
Ratings

“Bought a few bottles of this for my wife two months ago. She loves it and says it works very well for her”

- Pete Trobbs

Verified Customer

Order Risk-Free now

"We’re confident you will love your results using our Collagen Complex, which is why we’re pleased to offer a RISK-FREE 60-day money-back guarantee on all orders.

If you aren’t 100% satisfied with your results, we will give you a 100% hassle-free refund, no questions asked."

Founder at Theonia

CHOOSE YOUR BUNDLE

Frequently Asked Questions

If you can’t find the answer below, please don’t hesistate to Contact Us.

What ingredients does this product contain?
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List of ingredients: Marine Collagen (FISH), glazing agent (hydroxypropylmethylcellulose), L-ascorbic acid (vitamin C), DL-alpha-tocopheryl acetate (vitamin E), sodium hyaluronate (hyaluronic acid), zinc citrate, D-Biotin (Biotin), marine kelp extract 15:1 (Undaria pinnatifida, thallus)

How many capsules should I take each day?
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We recommend that you take 2 capsules of our Collagen Complex, preferably at mealtime with water.

At what age should I start taking a collagen supplement?
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By the time we hit our mid twenties, our bodies begin to lose collagen and collagen production starts to slow down.

For this reason, many men and women now start taking collagen supplements in their late twenties in order to prevent premature aging, help with skin elasticity, improve texture, and more.

Why is Type 1 Collagen superior?
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We use high quality Hydrolysed Marine Collagen (Type 1 Collagen) in our Marine Collagen Complex. When collagen is hydrolysed, it simply means that the proteins have been broken down in order to support better absorption into the bloodstream. This means that your body will fully reap the benefits of our Collagen Complex. Marine Collagen is also the most environmentally friendly type of collagen available as it is made from the parts of fish that are typically thrown away.

Can I take it if I have a mollusc or crustacean allergy?
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Yes! We take this very seriously and every batch of our collagen is tested for allergens, and verified to not contain any allergens other than fish. No molluscs or crustaceans are in this product.

Is it suitable for male & females?
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Yes, our collagen complex is perfectly suitable for both males and females.

What is Theonia’s return policy?
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We offer a 60 day money-back guarantee. If you would like to return your order, then please reach out to us and we will issue you a returns number to include with the package being returned along with further instructions.

When will my order be dispatched to me?
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Your products will be dispatched within 1 working day of placing your order.
Get Your Collagen Complex Today! It's zero-risk with our 60 day satisfaction guarantee. Order Now