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Vitamin C
The Immune Defender

Vitamin C

Ascorbic Acid

Key Benefits

Immune Support

Enhances white blood cell function and antibody production, reducing duration and severity of colds.

Antioxidant Protection

Neutralizes free radicals, protecting cells from oxidative stress and supporting overall health.

Collagen Synthesis

Required for collagen formation, supporting skin health, wound healing, and connective tissue integrity.

Enhanced Iron Absorption

Converts iron to more absorbable ferrous form, preventing anemia when taken together.

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Activation Synergies

recommended Iron

Vitamin C significantly enhances iron absorption, especially important for plant-based iron sources.

recommended Zinc

Vitamin C and zinc work synergistically for immune support, particularly effective when taken together during illness.

recommended Selenium

Vitamin C enhances selenium retention and both work synergistically in antioxidant defense systems.

recommended Vitamin E

Vitamin C regenerates oxidized vitamin E, extending its antioxidant activity in a synergistic protective network.

optional NAC

Both support glutathione production and create a comprehensive antioxidant defense system.

Recommended Dosage

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500-2000 mg / daily

Doses above 1000mg should be split throughout the day for better absorption. Excess is excreted in urine. May cause digestive upset at high doses.

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Deficiency Indicators

  • Frequent colds or slow recovery from illness
  • Easy bruising or bleeding gums
  • Slow wound healing
  • Dry, rough skin
  • Fatigue and weakness
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Scientific Citations

NIH Office of Dietary Supplements open_in_new

Vitamin C Fact Sheet

Examine.com open_in_new

Vitamin C: Research Summary

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