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Longevity

Longevity content covering healthy aging, prevention, and midlife interventions under study.

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LongevityMay 1, 2026

What NAD+ Actually Does, and Why Levels Decline With Age

NAD+ is one of the most studied molecules in longevity research. Here is what it is, what the science actually shows, and why the midlife transition makes this topic particularly relevant for women.

Hemma Journal

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Longevity content covering healthy aging, prevention, and midlife interventions under study.

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Longevity support for energy and vitality

Learn how Hemma approaches NAD+, Sermorelin, and B12 MIC pathways for women looking for proactive midlife support.

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Longevity

Jan 17, 2026

The Longevity Window: Why Your 40s and 50s Are the Most Important Decade for Healthy Aging

The science of aging has shifted dramatically. Here is what the research now shows about why the decade around menopause is not a decline to manage, but a critical window to invest in.

Hemma JournalRead article