Deficiency disease:

Scurvy.

Best natural sources:

Citrus fruits, limes, green leafy
vegetables, tomatoes, cauliflower, and
potatoes.

Enemies:

Water, cooking, heat, light, oxygen,
smoking, alcohol, copper and oxidative
enzymes.

Toxicity:

No proven toxic effects. Some
undesirable effects, excess urination and
skin rashes can occur from megadosing - cut
back dosage if any of these occurs (about
100 times the RDA is safe).

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