See Results in 10–12 Weeks
Clinically proven to lower melanin indices and even skin tone with daily use. Superior tyrosinase inhibition vs. kojic acid, cysteine, and alpha-lipoic acid
Premium Source & Unmatched Purity
Natural fermentation
Crafted via Torula yeast since 1968 for a clean-label ingredient.
Regulatory excellence
GRAS-notified, GMP-certified, Kosher and Halal approved for uncompromised quality.
Science-Driven Absorption
Oral absorption—validated by LC-MS/MS analysis in human plasma
CORE BENEFITS
Melanin Inhibition
Whitens and evens skin tone by blocking tyrosinase activity—the enzyme responsible for melanin production
Oxidative Defense
Neutralizes free radicals and protects skin from environmental damage and premature aging.
Collagen Synergy
Enhances collagen production and elasticity when paired with ingredients like pomegranate extract and Vitamin C
Frequently Asked Questions
OPITAC™ is a clinically studied, pharmaceutical-grade glutathione developed by KOHJIN Life Sciences, Japan. It features high purity, stability, and bioavailability, ensuring maximum antioxidant protection and visible skin benefits compared to generic forms.
Yes. Studies have shown that oral supplementation with OPITAC™ Glutathione can reduce melanin production, brighten skin tone, and improve skin clarity by neutralizing oxidative stress and inhibiting tyrosinase activity—offering a safe and holistic approach to skin radiance.
Absolutely. OPITAC™ Glutathione has been clinically validated for safety and efficacy, with no reported adverse effects in long-term use. It supports not just skin health, but also liver detoxification, and immune defense—making it a powerful daily antioxidant.