Key nutritional factors that may contribute to hair loss during rapid weight loss include: Protein deficiency hair is primarily composed of keratin, a structural protein Iron deficiency a common consequence of reduced dietary intake Zinc insufficiency plays a role in follicle health, though routine testing is not universally recommended and excess zinc can cause copper deficiency [14] [15] Overall caloric restriction redirects energy away from non-essential functions such as hair growth Note that biotin (vitamin B7) is widely marketed for hair health, but evidence for its benefit in the absence of confirmed deficiency is limited
Glycine: A conditionally essential amino acid that promotes cellular repair, detoxification, and metabolic resilience
Gender-based considerations The phase 2 trial included both men and women, and the results did not show statistically significant differences in weight loss between genders at matched doses
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Choosing treatment and dose adjustment If treatment is appropriate, your doctor will make an individual choice of medicine
doi: 10.1016/0165-2478(92)90007-B 49 HiromatsuYSatoMYamadaKNonakaK