Injectable methylcobalamin (active B12) pen to support energy, focus, and mood.

Nubexa Vital B12 is a formula designed for those seeking real, sustained energy without side effects. Methylcobalamin is the most active and bioavailable form of vitamin B12, essential for red blood cell production, neurological function, DNA synthesis, and cellular metabolism.
This pen is intended for use once per week, and is ideal for people with:
Each application supports your nervous system, improves daily performance, and elevates wellbeing without harsh stimulants.
| Component | Concentration |
|---|---|
| Methylcobalamin (active B12) | 5,000 mcg / 1 ml |
| Bacteriostatic water | q.s. 1 ml |
| Presentation | Sterile pre-filled pen, single weekly dose |
| Route of administration | IM or SC |
| Regulatory registration | In process (wellness use, not a drug) |
Add bacteriostatic water slowly. Use within 28 days.
Lyophilized: -20°C. Reconstituted: 2-8°C.
For research use only. Not for human consumption.