According to the Mayo Clinic, our bodies only need vitamins in small doses. When taking too much, especially fat-soluble vitamins such as A, D, E, K, excess will accumulate in the liver and fat tissue, which in the long run leads to liver damage. For example, vitamin A abuse can cause liver poisoning, headaches, nausea, and even acute liver failure.
For the kidneys, the risk comes from vitamins C and D when taking a long-dose supplement. The National Institutes of Health (NIH) said that excess vitamin C increases oxalate, which causes kidney stones. Meanwhile, excess vitamin D causes calcium accumulation, causing kidney failure, reducing filtering function.
Experts recommend that vitamins should be supplemented through a balanced diet of vegetables, fruits, grains and fish meat. Drinking alcohol should only be used when prescribed by a doctor. People with underlying liver and kidney diseases should be even more cautious, avoiding arbitrarily using high doses as advertised.
Instead of taking supplements, prioritize natural nutrition and have regular health check-ups to monitor liver and kidney conditions.
