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A doctor-reviewed approach focuses not only on what B12 does, but also on whether the body is actually getting and using enough of it
Anti-Aging & Longevity Studies Research reveals activation of sirtuin 1 pathways through preserved NAD+ levels, triggering longevity-associated genetic programs including enhanced DNA repair, improved mitochondrial function, and reduced inflammatory responses
A 2022 study did suggest, though, that high doses of l-arginine 6 grams a day for three months was associated with improved erectile function
Ingredients: vegetable cellulose (capsule), microcrystalline cellulose, silica, vegetable stearate
Easy measuring: At ~3.33 mg/mL, 1 unit 33.3 mcg on a U-100 syringe
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