Collagen is the most abundant protein in the human body, found in connective tissue, skin, bones, cartilage, and tendons. Collagen supplements are widely available in a variety of types and formats. Here's a straightforward guide to understanding the differences.
Types of Collagen
Collagen is categorized into different types based on its structure and the tissues it is found in. The most common types found in dietary supplements are:
- Type I — the most abundant type in the body; found in skin, tendons, ligaments, and bones; commonly derived from bovine (cow) or marine (fish) sources
- Type II — found primarily in cartilage; commonly derived from chicken sternum cartilage; often used in joint-focused supplements
- Type III — found alongside Type I in skin, blood vessels, and organs; commonly derived from bovine sources
- Type V — found in hair, placenta, and cell surfaces
- Type X — found in cartilage
Many collagen supplements contain a blend of multiple types. Check the Supplement Facts or product label to see which types are included.
Sources of Collagen
Collagen supplements are derived from animal sources. Common sources include:
- Bovine (cow) — typically provides Types I and III; widely available
- Marine (fish) — typically provides Type I; often described as having smaller peptide size
- Chicken — typically provides Type II; common in joint-focused formulas
- Eggshell membrane — provides a mix of collagen types along with other proteins
Note: There are no vegan sources of collagen. Some products marketed as "vegan collagen" contain ingredients that support the body's own collagen production but do not contain collagen itself.
Hydrolyzed Collagen and Collagen Peptides
Most collagen supplements use hydrolyzed collagen, also called collagen peptides or collagen hydrolysate. Hydrolysis is a process that breaks collagen proteins into smaller peptide chains, making them water-soluble and easier to mix into liquids. Hydrolyzed collagen is the form used in most powders, capsules, and drink mixes.
Common Formats
- Powder — the most popular format; typically unflavored or lightly flavored; mixes into water, coffee, or smoothies
- Capsules/tablets — convenient; no mixing required
- Liquid — ready to drink; often combined with other ingredients
- Gummies — chewable; may contain added sugars
What to Look for on the Label
When comparing collagen supplements, check the label for:
- The type(s) of collagen included
- The source (bovine, marine, chicken, etc.)
- The amount of collagen per serving in grams (g) or milligrams (mg)
- Whether the collagen is hydrolyzed
- Other ingredients, including added sugars, flavors, or additional nutrients such as vitamin C
Consult a qualified healthcare professional before starting any new supplement.
Shop Collagen Supplements at Best Vitamins Online
Best Vitamins Online carries collagen supplements from trusted brands including Vital Proteins, Ancient Nutrition, Thorne, NOW Foods, Douglas Laboratories, and more — in powder, capsule, and liquid formats.
Browse our full selection at bestvitaminsonline.com.
These statements have not been evaluated by the Food and Drug Administration. This product is not intended to diagnose, treat, cure, or prevent any disease. Consult a qualified healthcare professional before starting any new supplement.