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Mary Claire Haver, MD@drmaryclaireTikTok

I'm a menopause doctor. My own vitamin D was low. Then I started reading my patients' …more

original sound — @drmaryclaire

what it claims

The transition to menopause naturally leads to a decrease in vitamin D and an increase in blood fats (triglycerides), independent of lifestyle. To address this, it is recommended to have your levels tested, then supplement with 4000 IU of vitamin D, vitamin K2 (to direct calcium toward the bones rather than the vessels), and 2 g of omega-3 in re-esterified (rTG) form for cardiovascular balance.

mixed

The increase in blood fats during menopause is a well-documented reality: the longitudinal observational SWAN study confirms that the hormonal transition negatively influences…

noli's read

The increase in blood fats during menopause is a well-documented reality: the longitudinal observational SWAN study confirms that the hormonal transition negatively influences this profile, independent of age or weight. To address this, the efficacy of omega-3 is solid: a meta-analysis of randomized clinical trials (RCT) from the American Heart Association shows that intakes of 2 to 4 g per day significantly reduce triglycerides. Furthermore, small clinical trials confirm that the re-esterified (rTG) form offers better absorption than cheaper forms. Regarding vitamin D, the 4000 IU dose is safe and corresponds to the daily upper limit recommended by health authorities (NIH). Conversely, the idea that vitamin K2 prevents the accumulation of calcium in blood vessels in humans relies primarily on theoretical models; current randomized clinical trials do not yet formally confirm this cardiovascular protective effect.

the sources

Claimed by Mary Claire Haver, MD. Noli grades the claim, never the person.

Decoded by Noli · July 14, 2026 · the original post

What the graded evidence says

Effect: CVD/cancer prevention in replete adults (VITAL) — no significant reduction
Measured on: VITAL: 25,871 adults

Great for correcting a deficiency; weak as a general preventive if you're already replete.

Mary Claire Haver, MD in the Register58 claims graded · solidity 89/100See their record →

More from Mary Claire Haver, MD

Menopausal women have a high risk (60 to 80%) of vitamin D deficiency; it is therefore recommended to check your blood levels via a medical analysis rather than relying solely on diet.

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Discomforts related to the cycle and the pelvic region (cramping, heavy flow, intimate discomfort) are very common but should not be considered normal; it is essential to seek answers to preserve one's well-being.

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Slow walking does not replace a real workout session (cardio or strength training), but breaking up prolonged sitting (more than 6 to 8 hours per day) with light movement is essential for preserving longevity, regardless of one's regular workouts.

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Others on this

The buzz from a Monster Energy comes almost entirely from its caffeine (and the sugar riding along with it) — the taurine and the B-vitamin megadoses on the can don't add a proven benefit beyond that.

mixedscience.snitch

Extreme, prolonged sun deprivation — like months aboard a nuclear submarine — is exactly the scenario where routine vitamin D supplementation makes real sense: several studies on submarine crews (Royal Navy, US Navy) show levels drop markedly within weeks without it.

holds upPaul McNally

For women in their 20s: four basics are enough — omega-3, vitamin D3, magnesium glycinate, and a quality probiotic — rather than 15 supplements.

mixedThebiohackingrn

Noli has read similar claims

Other advice in the Register that leans on the same research.

For women in their 20s: four basics are enough — omega-3, vitamin D3, magnesium glycinate, and a quality probiotic — rather than 15 supplements.

mixedThebiohackingrn

Vitamin D3, magnesium, omega-3s, and probiotics are presented as essential dietary supplements for optimal health.

mixedDr Aude Bru

The combination of omega-3s, vitamin D, and physical exercise may slow biological aging by 3 to 4 months over a 3-year period.

mixedDavid Sinclair

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