Collagen peptides protein powder
Pro Research Analysisby 
Searched over 200M research papers
Benefits and Applications of Collagen Peptides Protein Powder
Functional Properties of Collagen Peptides
Collagen peptides, derived from sources such as chicken skin, marine life, and bovine hides, are known for their unique functional properties. The molecular weight distribution of these peptides typically ranges from 180 to 5000 Da, with a high content of glycine, arginine, proline, and hydroxyproline, but low levels of cysteine and methionine1. Different drying methods, such as freeze-drying, spray-drying, and hot-air-drying, affect the functional properties of collagen peptides. Freeze-drying is considered the best method for preserving these properties, while spray-drying is a cost-effective alternative for higher production throughput1.
Anti-Oxidative Effects
Collagen peptides, especially when combined with other peptides like soybean peptides, exhibit significant anti-oxidative effects. Studies on aging mice have shown that a mixed powder of marine collagen peptides and soybean peptides can reduce malondialdehyde (MDA) levels and protein carbonyl content, while increasing the activities of superoxide dismutase (SOD) and glutathione peroxidase (GSH-Px)2. These findings suggest that collagen peptides can enhance the body's antioxidative capacity, potentially offering protective benefits against oxidative stress.
Skin Health and Elasticity
Oral supplementation with collagen peptides has been shown to improve skin health significantly. Collagen peptides enriched with specific sequences like X-Hyp or X-Hyp-Gly are more resistant to digestive enzymes, leading to better absorption and enhanced skin properties. Clinical studies have demonstrated that these peptides can significantly increase skin elasticity and collagen synthesis in the dermis3. Additionally, low-molecular-weight collagen peptides (LMWCP) have been found to improve skin hydration, elasticity, and reduce wrinkling in human subjects10.
Muscle Recovery and Strength
Collagen peptides are also beneficial for muscle recovery and strength, particularly when combined with resistance exercise training (RET). Studies have shown that collagen peptide supplementation can increase fat-free mass (FFM) and muscle strength in both young and elderly individuals5 7. However, substituting whey protein with collagen peptides does not seem to provide additional benefits in terms of muscle damage recovery during eccentric exercise training4.
Joint Health and Recovery
Collagen peptides are effective in managing joint health and recovery from joint injuries. Systematic reviews indicate that collagen peptide supplementation, especially when combined with exercise, can improve joint functionality and reduce joint pain6. This is likely due to the stimulatory effects of collagen peptides on the extracellular matrix of connective tissues, enhancing their structure and load-bearing capabilities.
Dietary Incorporation and Protein Quality
Despite being categorized as an incomplete protein due to the lack of tryptophan, collagen peptides can still be incorporated into the diet effectively. Research suggests that up to 36% of dietary protein can be substituted with collagen peptides without compromising indispensable amino acid requirements7. This makes collagen peptides a viable option for functional food ingredients aimed at optimizing health and addressing physiological needs related to aging and exercise.
Conclusion
Collagen peptides protein powder offers a range of benefits, from improving skin health and antioxidative capacity to enhancing muscle recovery and joint health. While the method of production and combination with other nutrients can influence their efficacy, collagen peptides remain a valuable supplement for various health applications.
Sources and full results
Most relevant research papers on this topic
Effect of Drying Processes on the Functional Properties of Collagen Peptides Produced from Chicken Skin
Freeze drying is the best method for producing collagen peptides with superior functional properties, while spray drying is suitable for lower cost and higher production throughput.
Anti-oxidative effect of the mixed Powder of Marine Collagen Peptides and soybean peptides
The mixed powder of marine collagen peptides and soybean peptides can enhance anti-oxidative ability in aging mice without significant weight changes.
RCT
Animal StudyThe effect of oral supplements containing collagen peptides rich in X-Hyp or X-Hyp-Gly compared with normal collagen hydrolysates on skin elasticity and collagen holes: a randomised double-blind clinical study.
Oral supplements containing collagen peptides rich in X-Hyp or X-Hyp-Gly significantly improve skin elasticity and collagen synthesis compared to normal collagen hydrolysates.
RCTPartly Substituting Whey for Collagen Peptide Supplementation Improves Neither Indices of Muscle Damage Nor Recovery of Functional Capacity During Eccentric Exercise Training in Fit Males.
Substituting a portion of whey protein for collagen peptide within a similar total protein dose did not improve muscle damage or functional outcomes during eccentric training in fit males.
RCTEffects of 12 Weeks of Hypertrophy Resistance Exercise Training Combined with Collagen Peptide Supplementation on the Skeletal Muscle Proteome in Recreationally Active Men
Combining resistance exercise training with collagen peptide supplementation leads to a more pronounced increase in muscle mass, fat-free mass, and strength than training alone.
RCT
Very Rigorous JournalThe effects of collagen peptide supplementation on body composition, collagen synthesis, and recovery from joint injury and exercise: a systematic review
Collagen peptide supplementation, combined with exercise, improves joint functionality, reduces joint pain, and enhances body composition, strength, and muscle recovery.
Systematic ReviewSignificant Amounts of Functional Collagen Peptides Can Be Incorporated in the Diet While Maintaining Indispensable Amino Acid Balance
As high as 36% of collagen peptides can be incorporated in the Western diet while maintaining essential amino acid balance, potentially improving health and addressing physiological needs posed by aging and exercise.
Very Rigorous JournalCollagen peptide supplementation in combination with resistance training improves body composition and increases muscle strength in elderly sarcopenic men: a randomised controlled trial
Collagen peptide supplementation combined with resistance training improves body composition, muscle strength, and reduces fat mass in elderly men with sarcopenia.
RCTVery Rigorous Journal
Highly CitedPreparation of low-molecular-weight, collagen hydrolysates (peptides): Current progress, challenges, and future perspectives.
Low-molecular-weight collagen hydrolysates from food processing byproducts show potential for better bioactivities and are currently being prepared, but challenges remain in overcoming their special structure and hydroxyproline.
Highly CitedOral Intake of Low-Molecular-Weight Collagen Peptide Improves Hydration, Elasticity, and Wrinkling in Human Skin: A Randomized, Double-Blind, Placebo-Controlled Study
LMWCP supplementation significantly improves human skin hydration, elasticity, and wrinkling, making it a potential health functional food ingredient.
RCTVery Rigorous JournalHighly Cited