Sub q should in theory give close to 100% bioavailability, but we really dont know the one PK study never tested it, so theres no measured number and no dosing conversion behind it
Effect of long-term acid suppression therapy with proton pump inhibitors or H2 blockers on vitamin B12
TAKE TIME OBSERVE LABEL DIRECTIONS Each mL of sterile aqueous solution contains: ACTIVE INGREDIENTS Thiamine Hydrochloride (B1) 100 mg, Riboflavin (B2) (as Riboflavin 5'-Phosphate Sodium) 5 mg, Niacinamide 100 mg, Pyridoxine Hydrochloride (B6) 10 mg, d-Panthenol , Cyanocobalamin (B12) 100 mcg INACTIVE INGREDIENTS Citric Acid and Benzyl Alcohol 1.5% v/v (preservative).
Very welcoming
Within the glow blend at 5:1:1 ratio, daily administration provides approximately 330mcg TB-500 per dose, which accumulates to 2-2.5mg weekly with daily injections
robust human dose-finding data remain limited