Whats said about Supplements
2025 has produced solid scientific backing for a variety of supplements—from omega-3s to probiotics to creatine—that offer real, measurable benefits for heart, brain, metabolic, and mental health. As always, supplement efficacy varies by individual context, so it’s best to pair intake with a health goal and, where applicable, clinical testing or professional advice.
A UK Biobank study of nearly 410,000 participants found that vitamin D deficiency (below ~30 nmol/L) is linked to a 10% higher risk of atherosclerotic cardiovascular disease (ASCVD) and up to 35% higher mortality from it. Those taking vitamin D supplements showed a lower risk, especially for ischemic heart disease
In the DO‑HEALTH trial involving older adults in Europe (including some from the UK), combining vitamin D (2,000 IU/day), omega‑3 (1 g/day), and regular exercise slowed biological aging (measured via DNA methylation clocks) by about 3–4 months over three years