10 Best Collagen Supplements, Tested and Vetted by Experts

While collagen supplements may have once been considered a popular niche product, it has now become a true staple in health and beauty routines around the world. In fact, according to data published by Collagen Supplements magazine, the collagen supplement market doubled from 2019 to 2022, with annual growth expected to exceed 6.5% in North America between now and 2032. American Journal of Medicine. And, considering the purpose of these supplements is to help replenish collagen stores, which inevitably begins to decrease as we age, that makes sense — plus, they can support healthier hair, skin, nails, and even joint health.

But whether you drink bone broth or add the best collagen supplements to your daily routine, do they really deliver on their promise of hair growth, glowing skin, and gut health? We tapped six skin experts (think nutritionists, nutritionists, and dermatologists) to weigh in on everything you need to know about collagen supplements, including the best products to buy.

Nutritionists’ Favorite Collagen Supplements:

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Best overall choice: Ancient nutritional complex collagen

why we like it: Ancient Nutrition’s unflavored powder, designed to be mixed with water or even added to cookies, contains ten unique types of collagen to promote healthy skin and restful sleep. “[This] It comes from real food sources and also contains probiotics and vitamin C,” Garcia notes. “It also helps a lot with my hair regrowth. “
Expected benefits: Healthy skin and nails, hair growth, digestive support and better sleep
Certification: This is backed by “clinically researched ingredients” according to ancient nutrition
form: Powder
Collagen type: 10 types of collagen (type I, type II, type III, type IV, type V, type VII, type VIII, type X, type XII, type XXII) from 4 sources (fermented eggshell membrane collagen, bovine skin collagen peptide, concentrated chicken bone broth protein, hydrolyzed fish collagen peptide)
how to take: According to Ancient Nutrition, add one scoop to 8 ounces of water, coffee or smoothie.
How does it taste: Tasteless
portion size: 1 spoon
Collagen per serving:20g
additional ingredients: Protein, SBO probiotics (2 billion CFU Bacillus coagulans), vitamin C
Dietary considerations: Gluten-free, dairy-free, soy-free, nut-free, non-GMO, pasture-raised, grass-fed

Best collagen for hair growth: Important protein collagen peptide rich in hyaluronic acid and vitamin C

important protein

Advanced collagen peptides with hyaluronic acid and vitamin C

why we like it: People love Vital Proteins’ grass-fed and pasture-raised bovine collagen Fashion editors and amassed quite a following—even Jennifer Aniston is a fan; she told Fashion She used to enjoy adding a spoonful to her morning coffee.
expected benefit: Healthy hair, nails, skin, bones and joints
Certification: not listed
form: Powder
Collagen type: Bovine skin collagen peptide (type I and type III)
how to take: According to Vital Proteins directions, add 1-2 scoops to hot or cold liquids as needed. When I take this collagen, I prefer to put it in a smoothie.
how does it taste: no taste
portion size: 3 tablespoons
Collagen per serving:20g
additional ingredients: Protein, vitamin C, hyaluronic acid
Dietary considerations: Gluten-free, dairy-free, no artificial sweeteners