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Many pharmacies offer free health checks such as cholesterol, blood pressure, and basic heart monitoring

Higher-dose oral B12 (e.g., 1000 g daily) is sometimes used but should only be considered under clinical supervision with appropriate monitoring, particularly in cases of malabsorption where intramuscular treatment remains the first-line approach in UK practice

The largest Phase 2b trial used 0.25, 0.5, and 1 mg/day orally for 24 weeks

Others point to dehydration, since increased lipolysis generates metabolic water demands

This review highlights that NAD+ levels decline with age and play a critical role in metabolic and cellular health, with supplementation shown to raise NAD+ levels and potentially combat aspects of age-related decline