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Tier 1: Strong Evidencecapsule
Vitamin C
Ascorbic Acid (Buffered) — 1,000 mg
$14/month (30-day supply)
What it does
Buffered ascorbic acid delivers high-dose Vitamin C without the gastric irritation of straight ascorbic acid. Vitamin C is essential for collagen synthesis (skin, blood vessels, joints), iron absorption, and immune function. The body cannot store it — daily intake is required. Buffered with calcium and magnesium ascorbates for stomach-friendly absorption.
Key benefits
- Immune system support
- Collagen synthesis
- Antioxidant defence
- Iron absorption
The evidence
Hundreds of RCTs across decades. Strongest evidence for immune support and collagen formation. Common bloodwork deficiency in smokers, diabetics, and those under chronic stress.
Important
Doses above 2,000 mg/day may cause loose stools. May affect glucose meter readings. Consult your doctor if you have a history of kidney stones or haemochromatosis.