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Weekly · Sunday Morning

Five longevity claims.
Worth your time.
Every Sunday.

Last Sunday

Rapamycin extends mouse lifespan 9–14%
NAD+ precursors reverse aging in humans
Blue-light glasses improve sleep quality
Walking 10 min after meals blunts glucose
Verdict change — caffeine half-life downgraded

5 audits·1 verdict change·0 affiliate links·Every Sunday

Joining 1,247 readers — founders, MDs, and longevity-obsessed people who fact-check their own health decisions.

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Finally, something serious in this space.
Because we actually read the papers.

© 2026 Whalespan. Independent, evidence-graded longevity.

Should I take NAD+ supplements or IV NAD+? — Whalespan

Decisions›Supplements

Should I take NAD+ supplements or IV NAD+?

Med risk

Ignore IV NAD+. NMN/NR oral supplements: Watch.

✕NOTSUPPORTED

Consensus

34%

contested

Evidence quality

39/100

speculative

Risk

Med

monitor

Cost / month

$140

estimated

Effort

Low

time & habit

Fit for you

Low

Personal match

Why this fits

✓No NAD-deficiency conditions in profile.
✓Marketing claims significantly outrun the human evidence.
✓IV protocols carry infection risk without commensurate benefit.

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Conflict Watch

Every Sunday: the week’s new conflicts and verdict changes — and nothing else.

5 audits·1 verdict change·0 affiliate links·Every Sunday