People taking high-dose vitamin D for a documented deficiency should follow the dose and monitoring plan recommended by their healthcare professional.
3. Vitamin C
Vitamin C
is water-soluble, so excess
amounts are largely eliminated through urine.
That does not mean extremely high doses are harmless.
Large supplemental doses may increase the amount of oxalate in the urine. In susceptible people, this can contribute to the formation of calcium oxalate kidney stones.
People who already have:
- kidney disease
performance
When a supplement contains ten or twenty ingredients, identifying which ingredient caused a reaction can become difficult.
Herbal and dietary supplements account for a recognized proportion of drug-induced liver injuries, and multiple herbal ingredients—including green tea
extract, kava, Garcinia cambogia and others—have been implicated in published cases.
A supplement marketed as a “liver detox” should therefore not automatically be assumed to protect the liver.
Ironically, some herbal products promoted for liver health have themselves been associated with liver injury.