l-carnitine powder or liquid – Liquid Carnitine Concentrate NOW Foods L-Carnitine Liquid Supplement,

4 Important nutritional supplements for human body : With the growth of age, the content of L-carnitine in the body is decreasing, and human beings need to supplement L-carnitine

Chen J, Feng Z, Zhou F, Lou R, Peng C, Ye Y, et al

2020;6(11):eaax6328

Clinically, users may exhibit increased susceptibility to bacterial skin infections and respiratory tract infections, particularly when injectable preparations are administered under non-sterile conditions (84)

Sources Food sources Resveratrol is found in grapes, wine, grape juice, peanuts, cocoa, and berries of Vaccinium species, including blueberries, bilberries, and cranberries (140-143)

Furthermore, the long-term safety profile and cost-effectiveness of routine supplementation require further investigation