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Supplies needed for injecting Vitamin B12 and B-Complex 23-25 gauge needle, 1- 1 length for Intramuscular Injection Your healthcare professional will instruct per your body type and injection location

Mild Headaches: Some people report a temporary "brain fog" or slight headache when they first start glutathione

Erik Marks uses anti-aging medicine to help patients stay sharp, energized, and strong at every stage of life

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Intramuscular B12 injections deliver the vitamin directly into the bloodstream, bypassing the digestive system and achieving 70 to 80% greater bioavailability compared to oral supplements