Hydrolyzed Collagen Peptides | Skin, Hair & Nail Support

Collagen is the single most abundant protein in the human body, comprising approximately one-third of total proteins. It forms the structural foundation of skin, hair, nails, bones, cartilage, tendons, and ligaments. Rich in the amino acids glycine, proline, and hydroxyproline, Collagen's characteristic triple-helix structure provides rigidity and resistance to stretching throughout connective tissues.

In its native form, Collagen is a large, complex polymer with low solubility and bioavailability. To be effectively used by the body, it must be broken down into smaller segments through a process called hydrolysis. Hydrolyzed Collagen peptides are the result — small, low-molecular-weight amino acid chains (3–6 kDa) that dissolve easily and are readily absorbed.

Studies have shown that when Collagen hydrolysate is taken orally, it is absorbed as di- and tripeptides typically rich in hydroxyproline. These smaller peptides are believed to enter circulation and reach target tissues like skin and cartilage, where they may help support Collagen-producing cells called fibroblasts. This is the science behind what traditional cultures around the world discovered independently through centuries of bone broth preparation — from Chinese slow-cooked chicken-foot broth to French pot-au-feu to Vietnamese pho.

Nature's Sunshine's premium hydrolyzed Collagen peptides offer a clean, effective source of pure protein — a modern convenience format that delivers the same amino acid profile traditional bone broths supplied, without hours of simmering.

The body contains 28 subtypes of Collagen, but Types I, II, and III make up 80–90% of total Collagen. Type I is the most abundant in skin (approximately 80%), while Type II predominates in cartilage (90–95% of the extracellular matrix). As we age, Collagen content naturally declines, leading to reduced skin elasticity, hydration, and structural integrity throughout connective tissues.

Research suggests that orally consumed hydrolyzed Collagen peptides work through several proposed mechanisms. Bioactive peptides such as Pro-Hyp and Gly-Pro-Hyp are recognized by fibroblasts, which then upregulate the synthesis of new Collagen, elastin, and hyaluronic acid. One systematic review analyzing 10 randomized clinical trials concluded that consumption of hydrolyzed Collagen may improve clinical manifestations of skin health by either increasing synthesis of the extracellular matrix or supporting the skin's immune response to endogenous Collagen.

For joint health, hydrolyzed Collagen may contain biologically active peptides capable of reaching joint tissues and exerting chondroprotective effects. Research also suggests that Collagen peptide supplementation, particularly in conjunction with exercise, may support the extracellular matrix of connective tissues, improving their structure and load-bearing capabilities.

It's worth noting that vitamin C serves as an essential cofactor in Collagen synthesis — specifically in the hydroxylation of lysine and proline residues. This established biochemical relationship means that adequate vitamin C status supports the body's ability to utilize the amino acids Collagen peptides provide. If you have questions about pairing nutrients for optimal support, our naturopath is available for a free consultation.

Skin Elasticity and Hydration: Multiple meta-analyses of randomized controlled trials — encompassing up to 26 RCTs and 1,721 participants — demonstrate significant improvements in skin elasticity and hydration after 8–12 weeks of oral hydrolyzed Collagen supplementation. A systematic review and meta-analysis of 10 RCTs (646 participants) found that Collagen supplements were statistically effective in increasing skin hydration and elasticity. Research also suggests that Collagen supplementation may promote decreased wrinkle formation, increased Collagen content and density, and improved dermal Collagen synthesis.

Hair Growth and Thickness: Collagen peptides provide amino acid substrates — notably proline, glycine, and hydroxyproline — that support keratin synthesis and dermal matrix integrity around hair follicles. A 2022 study found that fish-derived Collagen peptides promoted human dermal papilla cell proliferation and stimulated hair regrowth in mice. A systematic review found that Collagen peptides may improve the clinical appearance, strength, and brittleness of hair.

Nail Strength: A 2017 open-label trial published in the Journal of Cosmetic Dermatology found that bioactive Collagen peptides taken daily for 24 weeks increased nail growth rate by 12% and reduced the frequency of broken nails by 42% in women with brittle nail syndrome. Collagen peptides supply glycine and proline used in keratin synthesis and nail matrix support.

Joint Health: A systematic review and meta-analysis (2023) found compelling evidence of significant pain reduction in knee osteoarthritis patients who received Collagen peptides compared to placebo. For exercise-related joint pain, a systematic review of 15 RCTs found that Collagen supplementation increased pain-free time to exertion and Collagen synthesis. The beneficial effects appear to take effect after three months or longer of consistent use.

Bone Support: Preliminary research indicates that Collagen supplementation may increase bone strength, density, and mass. These findings principally derive from studies in postmenopausal women and are promising but require larger, independent replications.

Connective Tissue: Collagen is the primary structural protein forming the extracellular matrix of skin, tendons, ligaments, and cartilage. Multiple clinical trials and a systematic review of 41 animal and human studies found that Collagen supplementation may benefit osteoarthritis and aid cartilage repair.

Hydrolyzed Collagen peptides may be a valuable addition for anyone looking to support their body's natural structural protein. Because Collagen content naturally declines with age — contributing to reduced skin elasticity and hydration — adults concerned with maintaining a more youthful appearance may find Collagen supplementation particularly relevant. Human studies show that Collagen supports skin health by promoting elasticity and hydration.

Those with active lifestyles may also benefit. Research suggests that Collagen peptide supplementation in conjunction with exercise may support joint comfort and connective tissue integrity. A systematic review found that 5–15 g/day doses taken at least one hour prior to exercise for over three months may aid in reducing functional joint pain and improving muscle recovery.

Women experiencing brittle nails or those seeking to support hair appearance and strength may find hydrolyzed Collagen peptides helpful, as the amino acids glycine and proline are used in keratin synthesis. Postmenopausal women interested in bone health support may also want to explore Collagen, as preliminary research in this population has shown promising results for bone density.

This formula is NON-GMO, KETO-friendly, DAIRY-free, GLUTEN-free, soy-free, and PALEO-friendly, making it accessible to people following a variety of dietary approaches. If you're unsure whether hydrolyzed Collagen peptides are right for your individual needs, our naturopath offers free consultations to help you make an informed decision.

This Collagen is odorless, tasteless, and mixes easily into any hot or cold beverage, smoothie, or food. It is easily integrated into any daily wellness program. Stir 1 scoop into any beverage (coffee, tea, water, fruit juice, etc.), or add it to your favorite recipes. Use daily for best results.

Consistency matters with hydrolyzed Collagen peptides. Much of the clinical research demonstrating benefits for skin elasticity and hydration involved supplementation periods of 8–12 weeks, while joint-related benefits in studies typically appeared after three months or longer of consistent use. Making Collagen part of your daily routine may help you experience the most meaningful results over time.

The general safety profile of Collagen supplementation is favorable. Multiple systematic reviews have reported no adverse effects, even at higher doses or in different supplement forms. The FDA classifies hydrolyzed Collagen as "Generally Recognized as Safe" (GRAS). However, individuals with known allergies to the source animal should exercise caution.