glutathione cream hashimoto& 39 APLB Niacinamide Facial 55ml, Hydrating, Brightening, Soothing Naturally BOOST Glutathione to HEAL
Description
Suppliers sell the reference standard as an iodide salt, and the literature describes it as a selective NNMT inhibitor with an IC50 near 1.2 micromolar, meaning it shuts the enzyme down at low concentrations without hitting related enzymes

Faidi K, Baaka N, Hammami S, El Mokni R, Mighri Z, Mhenni MF

4-in-1 Skin Glow Formula: Each effervescent tablet combines Liposomal L-Glutathione 600mg, NAC, Astaxanthin, and Vitamin C to support skin radiance, reduce the appearance of tanning and dark spots, and promote a brighter, more even-looking complexion

Antioxidants (2023) 12(3):777
