numbuzin 5 glutathione serum No.5+ Vitamin Concentrated 30ml / 1.01 fl. – SUNSHINEMALL KOREA BEAUTY Great serum for blemish and spot care [Numbuzin] No.5+ Glutathione Vitamin Concentrated

Nutrient Deficiencies (Building Blocks Missing) Glutathione synthesis requires specific nutrients: Cysteine : From dietary protein (whey, eggs, poultry)-rate-limiting Glycine : Often deficient in modern diets (need 10-15g/day, most get 3-5g) Selenium : Cofactor for glutathione peroxidase (GPx) , the enzyme that recycles GSSG back to GSH B vitamins (B6, B9, B12): Required for methylation and sulfur metabolism Vitamin C : Recycles oxidized glutathione Deficiency in any of these impairs glutathione production or recycling [5]

Preservatives potentially toxic to corneal cells

That means a good DIY serum is not a hot-process project

We envision that this new glutathione probe will enable opportunities to study glutathione dynamics and transportation and expand our understanding of the physiological and pathological roles of glutathione in living cells