Last reviewed 2026-04-22 · How we verify

PrimeC

PrimeC is a nutritional supplement formulation designed to support immune and antioxidant function through a combination of vitamins and micronutrients.

PrimeC is a nutritional supplement formulation designed to support immune and antioxidant function through a combination of vitamins and micronutrients. Used for Immune support and antioxidant supplementation.

At a glance

Mechanism of action

PrimeC contains vitamin C and other micronutrients intended to enhance immune response and provide antioxidant protection. The formulation is marketed as a supportive nutritional product rather than a pharmaceutical drug with a specific molecular mechanism of action.

Approved indications

• Immune support and antioxidant supplementation

Common side effects

No common side effects on file.

Key clinical trials

• A Phase IIb, Multi-Center, Multinational, Double-Blind, Placebo-Controlled Study, With an Open Label Extension, to Evaluate Safety, Tolerability and Efficacy of PrimeC in Subjects With ALS (PHASE2)
• A Phase 2, Randomized, Prospective Double-Blind, Single-Center, Placebo-controlled Study to Evaluate Safety, Tolerability, Target Engagement, and Efficacy of PrimeC in Patients With Mild to Moderate Alzheimer's Disease. (PHASE2)
• A Multiple-Dose PK Study to Evaluate the Comparative Bioavailability of PrimeC Tablets to Ciprofloxacin Tablets Co-administered With Celecoxib Capsules, in Healthy Adult Subject (PHASE1)
• A Pilot Study to Evaluate the PK Profile of PrimeC-ER Tablets in Healthy Adult Subjects (PHASE1)
• Ciprofloxacin/Celecoxib Combination in Patients With ALS (PHASE1)
• Open Label Study to Evaluate Ciprofloxacin/Celecoxib Combination in Patients With ALS (PHASE2)

Primary sources

Every claim on this page is sourced from regulatory or scientific primary sources. See our editorial policy for full methodology.