Research shows that vitamin C, particularly in high doses, does not cure cancer. However, investigations into high-dose ...

Beyond diarrhea, excessive vitamin C intake often triggers nausea and vomiting in sensitive individuals. This reaction appears particularly common when taking high-dose supplements on an empty ...

Previous research has shown that vitamin D deficiency can increase the risk of multiple sclerosis (MS) — and a new study ...

Medically reviewed by Jonathan Purtell, RDN The best time to take vitamin C to boost your immune system is with meals multiple times per day. Dividing your daily vitamin C intake into smaller doses ...

This equates to 12-24 oranges which would be almost impossible to consume. A high-dose vitamin C supplement with zinc – another immunity nutrient – can be a convenient way to provide the ...

Symptoms may include a high fever ... who are malnourished and may have a vitamin A deficiency. This has led to a misunderstanding that large doses of vitamin A can cure or prevent measles.

High-dose oral cholecalciferol (vitamin D3) supplementation significantly reduced disease activity in patients with clinically isolated syndrome (CIS) suggestive of multiple sclerosis (MS ...

Previous research has shown that vitamin D deficiency can increase the risk of multiple sclerosis (MS) — and a new study suggests that supplementing it in high doses could help reduce symptoms.