Oral Supplements: Convenient but Slower Absorption Oral Vitamin B12 supplements are available in tablet, capsule, or liquid form and easily integrate into your daily routine
In general, serious side effects from B12 injections are rare but in some cases, people may experience a few mild ones including pain, redness, or bruising at the site of injection
Potential side effects include nausea, dizziness, blood pressure changes, allergic reactions, and possible liver or kidney complications
In addition to natural aging, environmental causes include: Chronic exposure to chemical toxins Cadmium exposure Alcohol use Smoking Pollution Poor diet (Standard American Diet (SAD)) Stress Certain medications (Tylenol) UV radiation exposure Certain illnesses are known to decrease glutathione levels
Cox DG, Tamimi RM, Hunter DJ
Cebrian A, Pharoah PD, Ahmed S, Smith PL, Luccarini C, Luben R, Redman K, Munday H, Easton DF, Dunning AM, Ponder BA