The Recommended Dietary Allowance (RDA) for vitamin C depends on a handful of factors, including age and sex (for adults): 19 years and older: 90 mg for men, 75 mg for women (85 mg when pregnant and ...

If I am taking vitamin A, what is a reasonable dose? I have seen reports that taking too much can cause liver damage, but ...

Dull strands, flaky scalp, or sudden shedding? Experts break down how vitamin A affects hair health, how much you really need ...

Avoid taking Vitamin D at night as it can disrupt the sleep hormone. Simultaneously, Vitamin D should be consumed with fatty foods for better absorption.

Side effects from taking too much vitamin B6—including nerve damage—may be more widespread than we think, Australia's ...

Hypervitaminosis A, or vitamin A toxicity, occurs when you have too much vitamin A in your body. This condition may be acute or chronic.

Vitamin D overdose can lead to serious diseases, cause coma too While Vitamin D is essential for health, excess of it can cause serious health conditions, read on its preventions and more.

Excessive vitamin C intake can interfere with the accuracy of various medical tests, potentially leading to misdiagnosis or inappropriate treatment. These include: ...

Excess vitamin A can build up to abnormally high levels in the body, aka hypervitaminosis. "The upper limit for adults is 10,000 international units (about 3,000 micrograms) per day," says Czerwony.

Vitamin D is important for your bones, muscles, nerves, immune system, and more.. But if you get too much, it could lead to a rare and possibly serious condition called vitamin D toxicity. You may ...