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Nature’s Bounty Dual Spectrum B-12 is an innovative way to support energy by converting food into energy.* Each bi-layer B-12 tablet features ISR technology, a scientifically engineered delivery mechanism that offers the benefits of both immediate and sustained release (ISR). Each tablet has two distinct layers – one to deliver effective, quick release, and one designed to release B-12 in your body over the course of several hours…when you need it most!Feature
Supports energy metabolism