Description
The vitamin B12 pen from Lavi MD is a subcutaneous dual-compound injection pen that delivers Vitamin B12 with NAD⁺ for higher bioavailability than oral supplements, helping support cellular energy, neurological function, cognitive clarity, and overall vitality. Designed for adults focused on advanced wellness, longevity, and biohacking, it offers a physician-reviewed, lab-compounded option for those seeking a higher-potency delivery method to address fatigue, mental fog, metabolism, and age-related decline. Below, you’ll see how the NAD⁺ & B12 pen works, what benefits it targets, how dosing and injection technique are handled, and why a physician-formulated, 503A-compounded product matters for safety, purity, and consistent results.
Restore energy and mental clarity with a powerful combination designed to support cellular function and overall vitality. NAD⁺ & B12 helps promote energy production, cognitive performance, and healthy metabolism while supporting focus and daily wellness. Experience sustained energy, improved mental sharpness, and enhanced overall well-being.


Sean B. –
Highly recommend.
Patricia N. –
Everything exceeded my expectations. The pen is simple to use, arrived well packaged, and the customer experience was excellent from beginning to end.
Austin G. –
Five stars in my book.
Danielle H. –
This was my first purchase from Lavi MD. The ordering process was simple, the instructions were clear, and the pen feels very well made.