are vitamin b12 injections better than pills vs. Supplements: Which Works Best? Vitamin B12 Injection: Benefits, Uses

It mimics growth-hormone-releasing hormone at the pituitary for a brief window (~30 minutes), nudging out a pulse of GH without driving a sustained, tonic rise in IGF-1

"Stop any stimulant and caffeine-containing supplements, including energy drinks," he says

Trehalose provides cellular protection and allantoin soothes the scalp

What Are the Benefits of Vitamin B12 Injections

Increasing your intake of vitamin B12 through foods or supplements can help prevent deficiency, which may improve side effects like low energy levels and fatigue

They also point out health risks like blood clots and ovarian hyperstimulation syndrome