General Marine Collagen Questions
Why does collagen not contain cystine or tryptophan? Are they necessary?
Collagen is the most abundant structural protein in the body and it naturally does not contain cystine or tryptophan. This means that supplementing with these two amino acids would serve no role in supporting collagen generation. Landish marine colla
What is Landish marine collagen and what makes it the best?
Landish hydrolyzed marine collagen is a premium collagen peptide supplement made from wild North Atlantic cod and haddock skins. It's made in Canada using an advanced natural enzymatic hydrolysis process that breaks collagen down into small, highly b
Do I need to take vitamin C with my collagen?
No, taking vitamin C with collagen is not necessary for collagen absorption. While vitamin C is essential for collagen synthesis in the body, it does not affect the intestinal absorption of hydrolyzed collagen peptides. If your diet already includes
Does Landish marine collagen contain elastin and is that necessary?
Landish collagen is 100% wild hydrolyzed marine collagen (marine collagen peptides), which already provides the key amino acids your body needs to support both collagen and elastin production. Elastin supplements don't rebuild elastin fibres directly
What is the amino acid profile of Landish marine collagen?
Landish marine collagen is pure protein and a rich source of amino acids, particularly glycine, proline, and hydroxyproline — key building blocks for collagen production in the body. Here's the typical amino acid breakdown per 1.5 tbsp (8.3 g) servin
What does “hydrolyzed collagen” mean, and why is it beneficial?
Hydrolyzed collagen is collagen that has been broken down into smaller peptide chains through a natural process called hydrolysis. This makes it easier for the body to absorb and use, ensuring maximum effectiveness. ✅ Higher absorption and bioavailab
What is the difference between Pure Canadian, Beauty Blend, and Lion's Mane Creamer Marine Collagens?
All three Landish products feature high-purity, Canadian marine collagen for optimal absorption, but they differ in targeted active ingredients, dosage, and taste profiles to fit different daily routines. Can I consume more than one? Yes. There is no
Can I consume marine collagen while pregnant or breastfeeding?
According to Health Canada’s product monograph, pregnant and breastfeeding women should consult their healthcare provider before consuming hydrolyzed collagen, as is standard for all supplementation. Hydrolyzed marine collagen can provide valuable su
What type of collagen is Landish marine collagen? Does the type matter?
Landish marine collagen is Type I collagen (with a small amount of Type III) — the most abundant collagen in your body. That said, don't get hung up on "Type I" versus "Type II" or "III." Once collagen is hydrolyzed, the amino acid profiles across ty
Why is wild marine collagen superior to other sources?
Wild marine collagen, like the collagen found in Landish marine collagen products, is the optimal choice for purity and safety for several reasons:. 🐟 No exposure to common contaminants — Unlike farmed fish, bovine, porcine, or chicken collagen, wil
Is Landish marine collagen plant-based or vegan? Does vegan collagen exist?
Collagen is a protein naturally found in animals, so there's no such thing as a true "vegan" or plant-based collagen. All genuine collagen supplements (including Landish Marine Collagen) are sourced from animals. Our collagen comes from wild North At
Is Landish marine collagen organic?
Landish Marine Collagen is sourced from wild North Atlantic cod and haddock skins, the purest, highest-quality collagen available. Organic certification only applies to farmed products with regulated feed and farming methods, not to wild fish. Curren
Does Landish marine collagen contain shellfish (crustaceans or molluscs)?
🚫 No shellfish: Landish marine collagen is completely free of crustaceans and molluscs. ⚠️ Fish allergen warning: While free of shellfish, our marine collagen does contain fish. If you have a fish allergy, we do not recommend consuming this product.
Does Landish marine collagen contain salmon?
🐟 No salmon: Our collagen is made from wild North Atlantic fish skins, but does not contain any salmon. ⚠️ Fish allergen warning: While free of salmon, our marine collagen does contain fish. If you have a fish allergy, we do not recommend consuming
Are Landish marine collagen products approved by Health Canada with Natural Product Numbers (NPNs)?
Landish marine collagen products fall into two main categories: Natural Health Products (NHPs) with Natural Product Numbers (NPNs), and food products. Although our marine collagen food products use the same wild North Atlantic cod and haddock skins (
Is Landish marine collagen lab-tested for heavy metals like mercury?
Yes, every batch of Landish marine collagen undergoes third-party lab testing to ensure it is free from heavy metal contaminants, including mercury. Mercury testing: No detectable mercury at a sensitivity of 0.005 ppm (parts per million) — 100 times
Does Landish marine collagen contain any chemicals or preservatives?
Landish marine collagen is 100% free of additives. Our hydrolyzed collagen is extracted using a clean, enzymatic process, without the use of unnatural solvents or chemicals. Every batch undergoes third-party lab testing to ensure the highest purity,
How much collagen is in each serving of Landish marine collagen products?
Here are the amounts of wild marine collagen per Landish collagen product serving:. 👉 Not sure which product is right for you? See how our collagen products compare.
How is Landish marine collagen purified and processed?
Our process ensures maximum purity and effectiveness, using no unnatural solvents or chemicals:. The result is a pristine, Canadian-made marine collagen powder that is optimized for absorption and free of any fillers or contaminants.
Does Landish marine collagen contain iodine? Can it be safely taken alongside thyroid medication?
No, Landish Marine Collagen does not contain iodine. This means it won't interfere with thyroid function. Many of our customers with thyroid conditions safely use it while on thyroid medication. If you take levothyroxine or a similar medication, note
Does it contain omega-3, or replace the need for omega-3 supplements?
No, Landish marine collagen contains no omega-3 fatty acids, so it cannot replace an omega-3 supplement. They actually work best together—collagen supports connective tissues, while omega-3s benefit heart, brain, eyes, skin and overall health. If you
Can I consume Landish marine collagen if I’m allergic to fish?
⚠️ We do not recommend consuming Landish marine collagen if you have a fish allergy. Our collagen is sourced from wild North Atlantic fish skins, which poses a risk for individuals with a fish allergy. Note that our collagen is completely free of she
Who can benefit from Landish marine collagen? At what age should I consider adding it to my routine?
Collagen is an essential protein that supports skin, cartilage, bones, joints, hair, and nails. Research shows our natural collagen production can decline by about 1% each year after age 20. Both adult women and men can benefit from adding collagen t
Is there an optimal time of day to consume collagen? Does it matter if I take it on an empty stomach or split the dose?
There's no scientific evidence that taking hydrolyzed collagen at a specific time of day or on an empty stomach makes it more effective. Research also does not show any added benefit to splitting your intake into multiple doses. What matters most is
Can I spread out my serving throughout the day, or is it best taken all at once?
It doesn't matter. There's no scientific evidence suggesting that splitting your marine collagen intake into multiple doses is more beneficial than taking it in a single serving. What does matter is consistency and total daily amount. Aim to consume
What happens if I stop taking marine collagen. Will I lose the benefits?
Think of collagen as the "bricks" that keep your body's structure, skin, joints, bones, strong and stable. As we age, our natural collagen production declines by about 1% each year. Supplementing with collagen peptides has been shown to help keep thi
What do Landish marine collagen products taste like? Do they have a fishy smell or flavour?
Because Landish hydrolyzed marine collagen is expertly sourced, processed, and purified using the most advanced, clean methods, it does not have any fishy taste or smell, nor any taste other than pure collagen protein.
I’m not loving the taste of marine collagen—what can I do to improve my experience?
Hydrolyzed collagen can have a mild, unique protein taste that’s more noticeable in certain beverages or when it’s not fully diluted. Here are some tips for reducing or eliminating the taste of marine collagen powder:. Smoothies, Lattes, or Shakes –
What is the difference between wild marine collagen and bovine collagen?
Wild marine collagen and bovine collagen differ significantly in their source, processing, purity, and cost. Landish exclusively offers marine collagen made in Canada from high-purity wild North Atlantic fish skins, a premium, sustainable choice. Lan
Does heating marine collagen (e.g., in coffee, tea, or baking) degrade its benefits?
No. Hydrolyzed marine collagen already undergoes a boiling step during the hydrolysis process, which breaks it down into small peptides. This makes it heat-stable, so typical hot beverage or baking temperatures won't degrade its benefits. It can be s
How long does it typically take to experience the benefits of marine collagen?
We recommend taking marine collagen daily for at least 60 days before evaluating its effects. Consistency is key. Daily consumption is what delivers results. If you miss a day, don't stress, collagen levels build up over time, so just get back into y
Is “liquid collagen” more effective than powdered collagen?
No. "Liquid collagen" is simply a marketing term for collagen powder diluted in water. What really matters is the quality and quantity of the collagen itself. In short, you're not getting any extra benefit from a liquid formula beyond convenience. Fo
What’s the difference between Landish marine collagen gummies and powders?
Both Landish marine collagen powders and marine collagen gummies provide high-quality marine collagen, but they offer different serving sizes and benefits to fit your lifestyle. Our marine collagen gummies also include additional functional ingredien
Can collagen help support hair thickness, growth, or reduce hair loss?
Yes, collagen can play a role in supporting healthier, stronger hair, though certain formulas are more effective than others due to additional hair-supporting nutrients. Collagen cannot restore lost hair, but it can support new growth by providing th
Are there any studies or clinical trials supporting the benefits of hydrolyzed collagen supplementation?
Collagen peptides have been extensively studied for their effects on joints, skin, bones, and more. Below are key studies that highlight these benefits. Brueckheimer, P.J., et al. (2025) - The Effects of Type I Collagen Hydrolysate Supplementation on
Could taking collagen peptides help with weight management or weight loss efforts?
Yes, collagen can support weight management as part of a balanced diet and active lifestyle. Here's how:. Of course, weight loss is multifactorial, collagen is one piece of the puzzle, not a standalone solution.
Does hydrolyzed marine collagen interact with any medication?
Marine collagen is not known to interact with any medications, and there are no contraindications listed in the Health Canada monograph for hydrolyzed collagen. People often ask about interactions with the following types of medications:. Thyroid med
I’m having digestive issues with marine collagen, what can I do?
While digestive issues with marine collagen are uncommon, they can happen. Introducing new dietary proteins or peptides, like those in marine collagen, can cause temporary digestive changes for some people. Important to note:. To support easier diges
What is the molecular weight of Landish marine collagen?
Landish marine collagen has a molecular weight of approximately 2.5 kilodaltons (kDa). This falls within the optimal range specified by Health Canada's hydrolyzed collagen monograph, which requires a molecular weight between 2 and 6 kDa. At 2.5 kDa,
How is Landish marine collagen absorbed and used by the body?
Landish wild Canadian marine collagen is designed to be easily absorbed and put to work where your body needs it most. Here's how it happens, step by step:. Our collagen is enzymatically hydrolyzed, this means it's broken down into small collagen pep
What if I detect a smell when I first open my Landish marine collagen?
Our marine collagen is produced fresh every month and sealed in airtight packaging. Because of this freshness and lack of airflow, you might notice a mild scent when opening the container for the first time. This is completely normal and simply a res