10 Supplements Everyone Over 65 Should Be Taking: Vitamin D, Omega-3, Multivitamin, etc.

Dr.Rhonda Patrick

YouTibe - 9 mnutes - Oct 2026

Summary — supplement Q&A (answering "Debbie," who asked what she'd prioritize in her 70s)

  • (00:00–00:51) Top-voted question: what supplements matter most for a healthy 70-year-old already exercising (weights + HIIT). Answer: essentially the same stack she takes herself, because the goal is prevention — extending healthspan and delaying cardiovascular disease, dementia/Alzheimer's, and cancer.

  • (01:12–01:35) Vitamin D heads the list. Most people of any age get little sun, and older skin is roughly four times less efficient at producing D3 from UVB.

  • (01:35–02:06) Omega-3 — target an omega-3 index of 8% or higher, which takes about 1.5–2 g/day. She says AFib is not a concern at that dose (referencing a recent email of hers).

  • (02:06–03:03) Multivitamin — three large RCTs in adults 65+ found that one year of a standard multivitamin (Centrum Silver in that case) delayed global brain aging by ~2.1 years and episodic-memory aging by nearly 5 years.

  • (03:03–03:43) Rationale for the multivitamin beyond the brain data: covering selenium and other trace minerals, since diets are poorer in micronutrients and soils are depleted.

  • (03:43–04:46) Lutein + zeaxanthin (she gets them via Pure Encapsulations' O.N.E.) — RCT evidence for protecting against age-related macular degeneration, plus cognitive benefits in both older and younger adults, since they accumulate in the brain. She also eats a lot of kale.

  • (04:46–06:08) Magnesium — involved in ~300 enzymatic processes including DNA repair, energy production, and converting D3 to the active hormone. Half the US population falls short of the RDA (~300 mg/day women, 350–400 mg/day men). It can't be packed into a multivitamin because of its molecular weight — you'd need five pills.

  • (06:08–06:39) Melatonin — natural production drops from age 40 onward and is very low by 70. She suggests 1.5–3 mg, taken about 2 hours before natural bedtime, not mega-doses.

  • (06:39–08:58) Creatine monohydrate — minimum 5 g/day for muscle, but she urges 10 g/day so the spillover reaches the brain. Small studies at 10 g+ show cognitive benefit, mostly under stress (aging, sleep deprivation, dementia); she explicitly flags the broader "any brain stress" claim as her own speculation.

  • (08:58–09:17) Ubiquinol for mitochondrial and heart function, and a sulforaphane supplement, which she had covered earlier in the session.

One note on framing: the video title promises ten supplements for people over 65, but the clip is a general Q&A answer that names nine, and the speaker's point is that her own stack is largely age-independent rather than a 65+ protocol. No dose is given for ubiquinol or sulforaphane.

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