Pay in 4 interest-free payments of $6.61 Learn more
Ships within 48 hours · Estimated delivery Aug 25 - Aug 30
A subcutaneous infection near the knee causes redness, swelling, and warmth within 48-72 hours, potentially requiring antibiotics and forcing you to stop the entire protocol
Somerset Therapeutics Cyanocobalamin for injection 1000 mcg Multiple-Dose Vials 30 mL
This is why routine drug screens almost never detect them
A typical treatment for deficiency starts with three injections over two weeks, then maintenance shots every one to three months, depending on the cause
Last reviewed: June 9, 2026 Last updated: June 9, 2026 Written by: Jay Hastings, CEO of PlexusDx Jay Hastings is the CEO of PlexusDx, a precision health company focused on genetic testing, blood biomarker insights, and personalized wellness recommendations
US$ 24.49
US$ 26.90
US$ 25.26
US$ 21.42
US$ 24.93
US$ 20.58
US$ 29.35
