If you're choosing between a marine (fish) collagen and a bovine (beef) collagen and can't tell which one is right for you, this guide compares where each comes from, what's in it, who each suits and what to check on the label.
Most collagen powders and drinks look alike on the shelf. The biggest real difference is the source, and that choice comes down to your diet, any allergies and how you like to take it.
Marine vs bovine collagen at a glance
| Marine (fish) collagen | Bovine collagen | |
|---|---|---|
| Source | Fish skin and scales | Cow hides and bones |
| Main collagen types | Mostly type I | Types I and III |
| Suits pescatarians | Yes | No |
| Avoid if you have | A fish allergy | Dietary or religious reasons for avoiding beef |
| Taste in drinks | Usually neutral when hydrolyzed and flavored | Usually neutral when hydrolyzed |
| Vegan | No | No |
What is marine collagen?
Marine collagen is collagen taken from fish, usually the skin and scales. Type I is the main collagen found in fish [1], and it is also the most common type in human skin. Many products sold as "marine collagen" use both sea fish and farmed freshwater fish such as tilapia, so "fish collagen" is often the more accurate name. Check the allergen line on the label to see exactly which fish are used.
What is bovine collagen?
Bovine collagen comes from cattle, usually hides and bones. It provides mainly type I and type III collagen. It is widely available and is the source used in many unflavored collagen powders.
Is marine collagen better than bovine?
Neither is better for everyone. Both are usually sold as hydrolyzed collagen (also called collagen peptides), which means the collagen has been broken into small pieces that mix easily into drinks. You'll often read that marine collagen peptides are smaller and absorbed better. That claim is common, but direct comparisons in people are limited, so it shouldn't be the main reason you choose.
A more practical way to decide:
- Choose marine (fish) collagen if you don't eat beef, are pescatarian, or want a product focused on type I collagen for skin.
- Choose bovine collagen if you have a fish allergy, or you want type III collagen as well as type I.
- Either way, look for third-party testing, a clear amount of collagen per serving and a full allergen statement.
Marine collagen vs collagen peptides: what's the difference?
This is a common mix-up. "Collagen peptides" describes how collagen is processed (hydrolyzed into small pieces), not where it comes from. Marine collagen peptides are collagen peptides made from fish. Bovine collagen peptides are made from cattle. So the real choice is the source, not "marine vs peptides".
How much collagen per day?
A placebo-controlled study found improved skin elasticity with 2.5 g or 5 g of collagen peptides a day over 8 weeks [3]. A 2021 review of 19 studies with 1,125 participants found hydrolyzed collagen improved skin hydration, elasticity and wrinkles compared with placebo after about 90 days [2]. Follow the serving size on your product's label, and give it two to three months of daily use before judging it.
Two fish collagen options compared
Noni Nectar carries two fish collagen products. Here is what each label shows per serving:
| Co.Lab MagniGlow (powder) | TeMana® Noni + Collagen (liquid shot) | |
|---|---|---|
| Collagen per serving | 5 g hydrolyzed fish collagen | 10 g collagen peptide |
| Fish source | Tilapia, catfish, cod, haddock, pollock and other fish (full list on label) | Tilapia and red snapper |
| Also contains | Vitamin C (100 mg), biotin, zinc, copper, white tomato extract | Zinc (8 mg) and Tahitian Noni® |
| Calories | 20 | 70 |
| Format | Powder, 28 servings per jar, mix into any drink | Ready-to-drink 50 mL bottles, 10 per pack |
| Best for | A low-calorie daily scoop with added vitamin C and biotin | A higher-dose, grab-and-go shot |
Vitamin C is included in MagniGlow because the body needs it to make collagen [4]. Product details above are taken from each product's Supplement Facts label [6].
Frequently asked questions
Is marine collagen better than bovine collagen?
Not for everyone. Marine (fish) collagen is mostly type I and suits pescatarians and people who avoid beef. Bovine collagen provides types I and III and suits people with a fish allergy. Choose based on your diet, allergies and the dose on the label.
Is marine or bovine collagen better for hair?
There isn't strong evidence that either source is better for hair. If hair, skin and nails are your focus, look at the whole formula, such as added biotin, zinc and vitamin C, as well as the collagen dose.
Can I take marine collagen if I have a fish allergy?
No. Fish is one of the nine major food allergens in the US [5], and fish collagen is made from fish. Choose a bovine or other non-fish collagen and check the allergen statement.
How long does collagen take to work?
Most studies look at 8 to 12 weeks of daily use.
Is collagen vegan?
No. Collagen comes from animals. Plant-based "collagen boosters" contain nutrients such as vitamin C but no collagen.
Sources
- Silva TH, Moreira-Silva J, Marques ALP, et al. Marine origin collagens and its potential applications. Marine Drugs. 2014;12(12):5881–5901. Read the review
- de Miranda RB, Weimer P, Rossi RC. Effects of hydrolyzed collagen supplementation on skin aging: a systematic review and meta-analysis. International Journal of Dermatology. 2021. PubMed
- Proksch E, Segger D, Degwert J, et al. Oral supplementation of specific collagen peptides has beneficial effects on human skin physiology: a double-blind, placebo-controlled study. Skin Pharmacology and Physiology. 2014;27(1):47–55. PubMed
- NIH Office of Dietary Supplements. Vitamin C: Fact Sheet for Health Professionals. ods.od.nih.gov
- U.S. Food and Drug Administration. Food Allergies. fda.gov
- Supplement Facts labels for Co.Lab MagniGlow and TeMana® Noni + Collagen (Partner.Co), as shown on each product page.
Disclaimer
This article is for general information only and is not medical advice. It is not a substitute for advice from your doctor, pharmacist or other qualified health professional. Talk to a health professional before starting any supplement, especially if you are pregnant, breastfeeding, taking medication, have allergies or have a medical condition.
These statements have not been evaluated by the Food and Drug Administration. These products are not intended to diagnose, treat, cure or prevent any disease. Individual results vary.
Noni Nectar is an independent Partner.Co Brand Partner and earns money from sales of the products mentioned in this article. Last reviewed: October 2026.
