Our bodies do not make vitamin b12, we consume it in our diet
When liver cells are damaged or destroyed, they release stored cobalamin into the bloodstream
Symptoms of B12 Deficiency B12 deficiency develops slowly, and symptoms are often mistaken for normal aging: Fatigue and weakness persistent tiredness not relieved by rest Tingling or numbness especially in hands and feet Balance problems unsteadiness when walking Memory issues confusion, difficulty concentrating Mood changes depression, irritability Pale or yellowish skin Sore, red tongue Don't Ignore Nerve Symptoms: Numbness, tingling, and balance problems from B12 deficiency can become permanent if not treated
Reviewed by the PeptideMind Team Updated July 15, 2026 AHK-Cu Dosage Guide, Benefits & Side Effects AHK-Cu is a copper tripeptide studied for hair follicle growth, collagen production, and skin firmness
60 kcal% fat, 20 kcal% carbohydrate, 20 kcal% protein, Research Diets, Inc