b12 injection price in pune Methylcobalamin Pune, Maharashtra 100mcg Cyanocobalamin Vitamin B12 Injection

They are indeed a lot bigger

Cobalex 2000 B12 Injection (Hydroxocobalamin) COBALEX B12 INJECTION Jurox Description Features & Benefits Reviews Directions Of Use Questions & Answers (2) Host & Pest Tips For Use Withholding Period SDS & Technical Description Cobalex 2000 B12 Injection Active Ingredient: 2 mg/mL Hydroxocobalamin (as the acetate) Similar or comparable to Cobalife VB12 For Sheep And Cattle (Elanco) Cobalex 2000 Injection is used to treat and control Vitamin B12 Deficiency in Sheep and Cattle

So a 5 mg vial contains 5,000 mcg, and a 250 mcg dose is 0.25 mg

[Google Scholar] 40.Korkushko O, Khavinson VK, Shatilo VB, Antonyuk-Shcheglova IA: Geroprotective effect of epithalamine (pineal gland peptide preparation) in elderly subjects with accelerated aging

Side effects tend to be mild and dose-dependent -- injection site reactions, temporary water retention, and mild tingling or flushing