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Medically reviewed by: Micheal Seay, MSN, APRN, FNP-BC

Symptoms of severe vitamin B12 deficiency can include visual disturbances, severe joint pain, paresthesia (tingling in the hands and feet), memory problems, depression, anxiety, poor muscle function, ataxia (impaired balance and coordination), changes in reflexes and even infertility

Erdman J, Oria M, Pillsbury L, editors

Administered by healthcare professionals as part of a weight management plan, these injections help optimize metabolism, promote healthy liver function, and sustain energy levels to support an active, balanced lifestyle

Peptides for gut health like BPC-157 target different mechanisms and might be more appropriate for individuals with existing GI pathology