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This is great if you want quick relief from the symptoms of B12 deficiency, like chronic tiredness and weakness

Reviewed by Brandon Johnson Certified Personal Trainer, Nutrition Coach & Peptide Research Consultant Brandon Johnson is a certified personal trainer, nutrition coach, and peptide research consultant with a background in kinesiology and over 15 years of experience in fitness and wellness

It supports gut health, protects against NSAID damage, and promotes recovery from various types of tissue injury

Standard 1,000 mcg per mL Concentration A standard B12 injection has 1,000 mcg of vitamin B12 per milliliter (mL)