Do peptides improve athletic performance? A nutritionist explains the science

Do peptides improve athletic performance? A nutritionist explains the science

Peptides are widely marketed as a sort of “holy grail” for athletic recovery and physical performance. You may have seen ads online that claim these supplements can significantly increase muscle growth, eliminate joint pain, and speed up recovery times. As the prevalence of joint-related issues such as osteoarthritis increases, many people are also turning to … Read more

An inexpensive daily supplement appears to improve brain function in older adults

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What’s good for your aging gut may also be good for your aging brain. A first-of-its-kind study in twins has found that taking daily protein and prebiotic supplements can improve memory test scores in people over 60. Published in 2024, the findings are food for thought, especially the same visual memory and learning test used … Read more

GLP-1 drugs can improve heart, liver and gut health for HIV patients

GLP-1 drugs can improve heart, liver and gut health for HIV patients

Popular weight-loss drugs GLP-1 generally work well for people living with HIV, and they can improve heart, liver and gut health and reduce smoking in line with their known benefits for obesity and diabetes, according to studies presented at the Conference on Retroviruses and Opportunistic Infections (CROI 2026). However, much remains to be learned about … Read more