Our stomachs make less acid and intrinsic factor, a protein needed for B12 absorption
While a bottle of pills might seem cheaper upfront, the low absorption rate means you're often getting very little of what you pay for
"5-deoxyadenosylcobalamin and methylcobalamin as sources for Vitamin B 12 added as a nutritional substance in food supplements: Scientific opinion of the Scientific Panel on Food Additives and Nutrient Sources added to food"
Bottom line 10mg vial: 1 ml BAC water (10 mg/ml) 2.5 mg = 25 units 20mg vial: 1 ml BAC water (20 mg/ml) 2.5 mg = 12.5 units 30mg vial: 1.5 ml BAC water (20 mg/ml) 2.5 mg = 12.5 units Start low: hold 2.5 mg for weeks 1-4, then bump every 4 weeks Common ceiling: 15 mg / week in educational schedules Write it down: data beats guessing References Jastreboff, A.M., et al

Drip Life Basic One free B12 ($30 value) Membership pricing on infusions ($up to 50 value) *some exclusions/conditions may apply Drip Life Elite One free Myers cocktail ($180 value) One free B12 or vit d shot ($50 value) Membership pricing on infusions (up to $50 value) Complimentary Birthday Infusion ($180 value) *some exclusions/conditions may apply Drip Life Platinum One free IV Infusion (up to $225.00 value) Two free shots(b12 or Vitamin D) or One shot and One add-in* ($175 value) Membership pricing on infusions(up to $50 value) Complimentary Birthday Infusion ($180 value) *some exclusions/conditions may apply Let's get Healthy
REV 09/2015 This product is not eligible for Medicare or Medicaid reimbursement B-12 Compliance Injection Kit More about cyanocobalamin Check interactions Compare alternatives Pricing & coupons Reviews (31) Drug images Side effects Dosage information During pregnancy Drug class: vitamins