Buffered C | 90 Capsules

★★★★★ 4.9 · 127 reviews ✓ Verified

High-concentration vitamin C buffered with calcium, magnesium, and potassium to allow therapeutic dosing without GI upset. Boosts immune cell function including natural killer c...

NSF Certified cGMP A4M Endorsed Third-Party Tested

🔒 Secure checkout · SSL encrypted

✓ Free shipping on orders over $70

✓ Subscribe for free shipping every order

✓ 30-day money-back guarantee

Key Ingredients & Benefits

High-concentration vitamin C buffered with calcium, magnesium, and potassium to allow therapeutic dosing without GI upset. Boosts immune cell function including natural killer cell activity and lymphocyte proliferation. Provides potent antioxidant protection and promotes collagen formation for healthy joints, ligaments, and skin.

Key Ingredients: Ascorbic acid buffered with calcium ascorbate, magnesium ascorbate, and potassium ascorbate

Form Advantage: Mineral-buffered ascorbate raises pH for gentler absorption at higher doses

Best For: Immune challenges, high oxidative stress, connective tissue support, those sensitive to standard vitamin C

Quality & Testing

NSF-certified, cGMP-compliant manufacturing. Third-party tested for potency, purity, and safety. Full label transparency — no proprietary blends.

Shipping & Returns

Free shipping over $70 or with any subscription. Ships 1–3 business days. 30-day hassle-free returns.

Complete Your Stack