Common side effects may include: Dizziness Pain, swelling, or itching at the injection site Diarrhea Nausea Skin rash or acne-like skin Unwell or feeling of weakness Serious side effects may include: Difficulty breathing Swelling of the face, lips, or tongue Irregular heartbeats or palpitations Swelling or pain in the limbs due to blood clots Severe dizziness or weakness This list does not cover all potential side effects, and others may occur
Severe cases of b12 overdose level may cause high blood pressure or heart palpitations
If the water isn't USP-grade or if the preservative concentration is off, the product's stability is compromised from day one
Available in 5mg*10vials, 10mg*10vials, packaged as sterile sealed vials
On the other hand, if you consistently feel great, spacing out your injections could work just fine