The popularity of collagen products on the market and misleading information circulating, how can you know which product is premium quality, clean, and most effective?

1.  How many grades of collagen products are there?

2. What is the difference between high-grade collagen and premium-select grade collagen?

3.  Are there different types/grades of marine collagen?

4.  Is there such thing as plant-based collagen?

5. Is there a difference in serving size for different collagen sources/products?

6.  What is the difference between a collagen supplement and bone broth? 

Research is key when choosing a supplement, this is why we provide easy access to independent/clinical studies conducted on withinUs TruMarine® Collagen. Our Health Canada approved study results can be found directly on our website, and if you have further questions our team members are very knowledgable, and always available to help answer them for you.

At withinUs Natural Health, we are proud to provide ONE source, ONE collagen product. We offer a premium-select grade marine collagen to our customers and retailers. We help educate our customers by providing 100% transparency, sharing information, and scientific research and independent clinical trials on premium-select grade TruMarine® Collagen.

Knowledge is power, and objective information should be the deciding factor when choosing what goes into your body. Below we have listed a few key factors in identifying high quality collagen products.


Premium-Select Grade Collagen

Collagen is a naturally occurring protein found within the body, and therefore all sources of collagen are animal derived – there are no plant based (vegan) collagen sources. We repeat: there are no plant based collagen sources.

The most common collagen sources are:
- Bovine – sourced from cow skin or bones
- Porcine – sourced from pig skin or bones
- Avian – sourced from chicken skin or bones
- Marine – sourced from farmed or wild fish skin or fish scales, or a combination of both

From the above list of collagen sources, wild-caught fish scales (with no skin) is considered the highest, premium-select gradewithinUs TruMarine® Collagen is sourced from wild-caught fish scales and is the highest grade of collagen available on the market, period.

What makes withinUs™ TruMarine® Collagen Premium-Select Grade?

- Sourced exclusively from the scales of sustainable, wild-caught fish.
- Fish scales are a very pure, clean, abundant source of collagen. 
- 1.5 times more bioavailable than ALL other sources/types of collagen (including other marine sources that are either fish skin or a mix of fish skin and scale). 
 - Ultra-Pure - stringently tested for impurities and contaminants, including lead and mercury. 
- Dissolves clear in hot or cool liquids - our collagen is in granular form
(not powder), which dissolves quicker and easier than heavy powders overall. 
- Virtually tasteless and odourless - easy to add into your daily routine.
- No heat, chemicals, or acids are used to break down withinUs TruMarine® Collagen rather a proprietary enzymatic process that breaks down the collagen into a peptide (hydrolyzation).

- NO additives, fillers, or stabilizers
- Non-GMO project verified

Why is the source important?
You will often hear or see people take about TYPE I, II, III - that has very little to do with the benefits of collagen.  You should focus on the source (and purity and regulation of the supplemenet) as this is the most important to consider when choosing a collagen supplement for two main reasons:

1. Bioavailability
2. Purity

1. Bioavailability (absorption rate):
Bioavailability is the scientific word to describe how effectively a product is absorbed into the bloodstream.

When it comes to bioavailability, many companies talk about the low molecular weight/level of their products, as well as the product being hydrolyzed. Both factors affect the bioavailability, but the source is also a component in determining bioavailability. Independent clinical studies prove that marine collagen sourced specifically from fish scales has superior bioavailability in comparison to other collagen sources (including fish skin marine collagen). The rate at which fish scale collagen is absorbed into the bloodstream is 1.5 times more effectively than all other collagen sources. It is worth noting that withinUs TruMarine® Collagen also has a low molecular weight of 3000-5000 Daltons, and is also hydrolyzed using a natural enzymatic process (no chemicals or heat).

TruMarine® Collagen vs Bone Broth
We often get questions about how bone broth differs from collagen supplements, as people conceive that bone broth boasts similar benefits.

Bone broth has become popular in the past few years claiming similar benefits, but are these benefits comparable to taking a premium collagen supplement?

The quick answer to this question is NO.

To build on this, bone broth is made by boiling/simmering the bones and connective tissues of animals (mainly chickens, cows, and fish). During this process, bones and connective tissue are boiled for a long period of time, allowing the nutrients to break down and excreted into the broth.

This process can also excrete negative components found in the bones, such as toxins that have leached into the animals bones from their food and environment.
Bone broth does contain collagen, but due to the high molecular weight of collagen in bone broth, it is not not easily absorbed into the bloodstream. This means that you would need to consume a lot of bone broth to equate to consuming 5 grams of withinUs TruMarine® Collagen which is absorbed quickly and easily into the bloodstream.

TruMarine® Collagen vs Gelatin
Contrary to common belief, collagen and gelatin are not the same.
The main difference between collagen peptides and gelatin products is the molecular weight of the final product.

withinUs TruMarine® Collagen has a very low molecular weight, meaning it is broken down into amino acid chains that are easily absorbed into the bloodstream. In comparison, gelatin has a higher molecular weight, making it more difficult to absorb. The higher molecular weight, and larger amino acid chains of gelatin material is also the reason that it produces a gelatinous texture when added to liquids.

2. Purity
The source of collagen also affects the purity of the final product. Collagen products sourced from land animals have a greater risk for impurities such as oils and toxins that are leached into the skin and bones where the collagen is sourced from, which can affect the final product. This is also true with collagen sourced from fish skin, as this is where the oils are found. Impurities affect the colour (i.e. yellow), smell, and taste of the final product, which is why many collagen products on the market are flavoured, sweetened, or are in capsule form.



Why is there a drastic difference in serving size between withinUs TruMarine® Collagen and others?

The daily recommended serving of withinUs TruMarine® Collagen is 5 grams (1 scoop/stick pack). We see many other collagen products recommending anywhere from 10 to 20 grams per day. 

This all circles back to bioavailability. Due to the superior bioavailability (absorption) of our product, only 5 grams are required to experience benefits (1 scoop/stick pack). Some collagen products on the market recommend altering serving sizes based on body weight, this is not applicable to our product. Health Canada approved studies prove that 5 grams of withinUs TruMarine® Collagen is necessary to experience benefits - for men and women of all weights and sizes. For lower grade products, such as those produced from bovine/porcine/avian/fish skin collagen, a larger serving size is necessary for product to effectively absorb into the bloodstream and initiate collagen production. 


Ultra-Pure withinUs TruMarine® Collagen is characterized by its unique amino acid composition, offering a high concentration of specific amino acids essential for collagen regeneration and production within the body. These amino acids are broken down into amino acid chains, and these specific chain builds are rare to find in other food and supplement sources. The specific amino acid chains found in withinUs TruMarine® Collagen provide the body with many benefits associated with health and beauty.

Collagen promotes joint health by helping to repair joint matrix degeneration and improves long-term joint comfort and mobility.
In comparison to other supplements recommended for pain related to joint degeneration, withinUs TruMarine® Collagen is proven to help improve overall joint health, as opposed to temporarily relieve pain. Collagen works from within the joints, enhancing joint comfort and mobility, and ultimately reducing joint pain. withinUs TruMarine® Collagen improves joint health by strengthening cartilage and overall joint structure.

withinUs TruMarine® Collagen also helps maintain bone health and bone mineral density, which reduces the risk of pain and stiffness associated with osteopenia and osteoarthritis.


withinUs TruMarine® Collagen also slows down the aging process by providing the body with the nutritional building blocks it needs from within. Marine collagen contains a higher level of the amino acids, glycine, proline, and hydroxyproline than other sources. These key amino acids have been clinically proven to promote healthy tissue growth by the cells themselves.

In addition to slowing the aging process, withinUs TruMarine® Collagen helps reduce fine lines and wrinkles, reduces UVB-induced skin damage, and increases skin hydration and suppleness - all are paramount for overall skin health.

It is important to know exactly what you are putting into your body- what it is made from, where it comes from, and bioavailability. We are proud to be a transparent company, offering as much information possible to our customers, making your research easy.

Knowledge IS power, so take the time and do the research. Your body will thank you!

If you have any questions, our withinUs team would be happy to answer and always enjoy hearing from our customers. Feel free to comment below or email us directly at:

withinUs Team


  • Doris Tran

    I love it! Can’t have definitely noticed some benefits. I use it and trust it because a friend of mine did all the research – and she did a ton of research!! 🤣

  • Madi

    I trust TruMarine because of all the research done behind the scenes, there is a ton of information out there therefore I felt more than well informed on my purchase. TruMarine is highly recommend, has great reviews. Most importantly, I saw instant results. My days behind with TruMarine Collagen, it is part of my routine, and I wouldn’t have it any other way.

  • Elaine

    I started using this product for the skin aspect as I’m a 54 year old female. What I did not know was the miracle of how my hand arthritis has nearly disappeared because of this product! Now I have great skin and no pain in my hands. I love love love this multi functional jar of awesomeness!

  • Hannah Hall

    Favorite Collagen product out there!! 🙌🏻

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