Amazon.com: GreenPro-C (Pre-Mixed Greens, Protein, and Vitamin C Powder) : Health & Household
Vitamin C: Benefits, Side Effects, Dosage, Interactions
Markus Rothkranz - Bronchitis can be reversed using mainly silica and vitamin C to rebuild the elastin in the lungs. The best source of silica is bamboo (horsetail does not absorb well)
Vitamin C 1000 mg with Bioflavonoids, Rose Hips
Order Health Force Truly Natural Vitamin C Health Force | Erewhon
Amazon.com: Green Formula - Sweetend : Health & Household