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This varies by injection type and individual health goals
*Individual injections $25 or $100 for a package of five
Reddit users operating in research contexts report substantially different dose-response curves
Some of the key benefits include: Supports Brain Health Adequate Vitamin B12 levels help protect the brain from cognitive decline, which is particularly important as we age
For a deeper look at how B12 and methylation work, see our full vitamin B12 benefits guide
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