Collagen is a type of protein that is naturally found in the bones, skin, muscles, tendons, and cartilage of animals. It is also available as a supplement, which many people take to support the health of their skin, joints, and hair. Collagen supplements contain amino acids, the building blocks of protein, and some may also contain additional nutrients related to healthy skin and hair like vitamin C, biotin, or zinc.
Here are some positive and negative aspects of collagen supplements:
Positive:
- Studies have shown that taking collagen supplements may improve skin hydration and elasticity and reduce the appearance of wrinkles.
- Healthcare professionals use collagen and collagen-based materials in the medical field, including in treating wounds, burns, and diabetic ulcers.
- Collagen peptides, which are small pieces of protein from animal collagen, might help improve some skin and joint conditions when taken by mouth.
Negative:
- Manufacturers often combine collagen with other ingredients in supplements, and certain ingredients could pose health risks, such as herbs and high levels of vitamins in supplements formulated to support health.
- Collagen supplements are not regulated by the Food and Drug Administration (FDA) .
- Collagen supplements can contain toxins and heavy metals that could be harmful.
Regarding the ingredients or materials of collagen supplements, the safety data sheet of collagen shows that there are no ingredients present which, within the current knowledge of the supplier and in the concentrations applicable, are classified as hazardous to health or the environment. However, it is important to note that manufacturers often combine collagen with other ingredients in supplements, and certain ingredients could pose health risks.
