Pay in 4 interest-free payments of $6.09 Learn more
Ships within 48 hours · Estimated delivery Sep 1 - Sep 6
For a comprehensive discussion of peptide safety considerations, see our guide on peptide side effects
If you've been taking oral B12 supplements without feeling a difference, a shot is the most reliable way to find out whether the issue is your B12 levels or something else
Accessed November 6, 2025
Vitamin B12 is integral to the synthesis of DNA, necessary for cell division and the creation of new cells
Dosage, Concentration, Route of Administration Dosage: Seek advice from a licensed physician, medical director, or other healthcare provider Concentration: 500mg/ml Route of Administration: IV/IM Resources: Precautions/Side Effects Before using ascorbic acid (vitamin C), talk with your doctor or pharmacist if any of the following apply to you: You have any known allergies You have a history of kidney disease, including kidney stones You have diabetes You are on anticoagulation therapy (blood thinners) You are on a sodium-restricted diet You have a condition called G6PD deficiency (a rare enzyme disorder) Ascorbic acid is generally considered safe to use during pregnancy when taken at recommended doses
, -
US$ 25.10
US$ 23.56
US$ 28.70
US$ 24.15
US$ 29.34
US$ 25.36
US$ 26.58
US$ 20.40
US$ 26.49
US$ 20.70
US$ 26.00
US$ 21.98
