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Vitamin C's bioavailability maxes out at about 200 milligrams when given as a single dose. At 500 milligrams, the bioavailability decreases, and excess vitamin C gets excreted in the urine.
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Rhonda Patrick

Vitamin C's Bioavailability is Diminished At Doses above 500 mg Daily

Vitamin C: Oral vs. Intravenous, Immune Effects, Cancer, Exercise Adaptation & More

FoundMyFitness

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Vitamin C's Bioavailability is Diminished At Doses above 500 mg Daily

Vitamin C's Bioavailability is Diminished At Doses above 500 mg Daily

Vitamin C: Oral vs. Intravenous, Immune Effects, Cancer, Exercise Adaptation & More - Rhonda Patrick
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Vitamin C's Bioavailability is Diminished At Doses above 500 mg Daily
Vitamin C: Oral vs. Intravenous, Immune Effects, Cancer, Exercise Adaptation & More
Vitamin C: Oral vs. Intravenous, Immune Effects, Cancer, Exercise Adaptation & More - Rhonda Patrick
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Vitamin C: Oral vs. Intravenous, Immune Effects, Cancer, Exercise Adaptation & More - Rhonda Patrick
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