
Skin tone & radiance / For professional product reference
GLU1C Tablets
Bright, youthful & glowing skin
CUTIS positions GLU1C to “Support Bright, Youthful & Glowing skin,” with a focus on skin radiance and resilience. Pack size: 30 tablets.
Portfolio presentation only. Products are not sold through this website.

01 / Formulation
What’s in it
Per tablet · 30-tablet pack. Ingredient functions below reflect CUTIS product information.
- Glutathione
- 500 mg
- CUTIS describes antioxidant activity and intracellular redox regulation.
- Collagen Peptides
- 150 mg
- CUTIS positions collagen peptides around dermal matrix, elasticity and hydration support.
- Alpha Lipoic Acid
- 50 mg
- CUTIS describes mitochondrial energy metabolism and antioxidant activity.
- Vitamin C
- 150 mg
- Vitamin C is required for collagen biosynthesis and has antioxidant activity.
02 / CUTIS product directions
How to use
- 01Use 2 tablets of GLU1C daily or as directed by the physician.
03 / Product positioning
What CUTIS says about it
- — Support for radiant skin and reducing skin blemishes.
- — Support for skin elasticity, reducing fine lines and firmness in skin texture.
CUTIS product information discusses daily oxidative stress alongside loss of radiance, uneven skin tone, reduced elasticity, fine lines/wrinkles and compromised skin resilience.
04 / Independent evidence
Evidence context
Studies of oral glutathione for pigmentation are small and heterogeneous, with uncertainty about long-term effects and safety. Collagen studies use differing formulations and doses; ingredient-level findings cannot be assumed to apply to GLU1C. The product is not presented as a treatment for melasma or post-inflammatory hyperpigmentation.
05 / Important notes
A responsible reference
- 30 tablets. Amounts listed are per tablet.
- CUTIS positioning is not a guarantee of changes in radiance, blemishes, elasticity or fine lines.
- Discuss supplementation with a healthcare professional; it does not replace sun protection or assessment of pigmentation.
Independent sources
- DermNet — Postinflammatory hyperpigmentation ↗
- DermNet — Melasma ↗
- AAD — How to fade dark spots in darker skin ↗
- AAD — Melasma: Diagnosis and treatment ↗
- Nutrients (2023) — Oral collagen supplementation: systematic review and meta-analysis ↗
- Sarkar et al. — Glutathione and skin pigmentation: systematic review ↗
- NIH ODS — Biotin: Health professional fact sheet ↗
For general and professional reference only. Product positioning is not a diagnosis, a guarantee of results or a substitute for individualized medical advice.
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