Vitamin C Vitamin C supports collagen production and helps protect skin cells from oxidative damage
Testosterone further enhances these results by increasing muscle and reducing fat mass (1)
GLUT4 upregulation depends on stable NAD+ levels, further supporting the core mechanism of nicotinamide metabolism and NAD+ elevation
What I like to do is-- as I just got off the interview with Dr

INGREDIENTS: Water(Aqua), Butylene Glycol, Glycerin,Isopropyl Myristate, Niacinamide(20000.5ppm), Cetearyl Olivate, Sorbitan Olivate, Glyceryl Stearate, Dimethicone, Cetearyl Alcohol, PEG-100 Stearate, Phenoxyethanol, Palmitic Acid, Stearic Acid, Carbomer, Chlorphenesin, Triethanolamine, Frangrance(Parfum), Bethaine, Tocopheryl Acetate, Isopropyl Palmitate, Gardena Florida Fruit Extract, Allantoin, Adenosine, Disodium EDTA, Limonene, Dextrin, Linalool, Panthenol(105 pm),Hexyl Cinnamal, Isopentyldiol, Propanediol, Citronello, Hydrogenated Lecithin, Ascorbic Acid(10ppm), Polyglyceryl-10 Stearate, Polyglycerin-3, Sodium Ascorbyl Phosphate(2.5 ppm), Citrus Limon(Lemon) Peel Oil, Citrus Aurantium Dulcis(Orange Peel Oil, Glutathione(o.05 ppm), Biotin(0.05 ppm), Pyridoxine(0.05 ppm), Sodium Surfactin, Cyanocobalamin(0.005 ppm), Tocopherol(0.005 ppm), Riboflavin(0.0005 ppm), Beta-Carotene(0.0005 ppm), Thiamine HCI(0.0005 ppm) HOW TO USE Take an appropriate amount of cream and gently spread it over your face.

Endotoxin testing should show levels below safe thresholds for injection