Results vary, but improvements in hair, skin, and nails are typically noticed over several weeks with consistent treatment
But that isnt new
The benzyl alcohol acts as a preservative that inhibits bacterial growth, so a single vial can be accessed for multiple withdrawals across a 28-day period rather than being discarded after one use
Whilst extremely rare, anaphylaxis to B12 preparations has been documented
Cyanocobalamin Injection, USP is a sterile solution of cyanocobalamin for intramuscular or subcutaneous injection. Each mL contains 1000 mcg cyanocobalamin. Each vial also contains Sodium Chloride, 0.9%. Benzyl Alcohol, 1.5%, is present as a preservative and Water for Injection q.s. Hydrochloric acid and/or sodium hydroxidemay have been added during manufacture to adjust the pH (range 4.5-7.0)
Lyophilized peptides are the gold standard for maintaining the integrity and shelf-life of delicate hormone chains