For a 5 mg vial, you might use the entire contents in a single dose or split it into two
Water , Tremella Fuciformis (Mushroom) Extract, Prunus Armeniaca (Apricot) Kernel Oil, Pinus Densiflora Leaf Extract, Perilla Ocymoides Leaf Extract, Lonicera Japonica (Honeysuckle) Flower Extract, Honey Extract, Glycerin , Disodium EDTA, Cocos Nucifera (Coconut) Oil, Cocos Nucifera (Coconut) Fruit Extract, Citrus Paradisi (Grapefruit) Peel Oil, Cetyl Ethylhexanoate, Cetearyl Glucoside, Cetearyl Alcohol, Carbomer, Camellia Japonica Seed Oil, Butylene Glycol, PEG-8 Beeswax, Arginine , Aloe Barbadensis Leaf Juice , Acorus Calamus Root Extract, 1,2-Hexanediol Besides Coconut Oil, this formula contains Coconut Fruit Extract and Glycerin
There's a way to make berberine even better -- both in terms of potency and reducing its downside of requiring a relatively large 1.5 gram daily doses for maximum effects
Wajne M, Vargas CR, Funayama C, Fernandez A, Elias ML, Goodman SI, et al
Drugs under Exp Clin Res 25(4):167171 Oliveira C, Sousa M (2019) The effects of L-carnitine supplementation in athletic performance
Further research is required to establish the optimal dosage and efficacy of L-Carnitine supplementation in athletic performance