Vitamin A is important for vision and immune function, but chronic high intake from supplements (or combined with liver-rich diets) has been associated with changes in bone metabolism. Some observations link excess vitamin A to increased bone turnover, which may contribute to weaker bones over time and, in turn, affect the stability and strength supporting your legs.
Symptoms of higher-than-needed levels can include general weakness, joint discomfort, or muscle soreness. Because vitamin A is fat-soluble, it can build up in the body rather than being flushed out easily like water-soluble vitamins.
3. Vitamin D – Balance Is Essential