Perimenopause isn't menopause. Estrogen doesn't drop — it becomes erratic. Hot flashes in your late 30s are not 'early menopause.' They're a shift.
The Shift adapts to irregular cycle lengths — not a 28-day assumption. If your cycles are 24 days one month and 40 the next, your pack adjusts. The hormonal support stays consistent even when your calendar doesn't.
Free to start · from $49/mo with delivery · NSF tested · 100% vegan
“The most underappreciated fact about perimenopause: it's not an estrogen shortage — it's estrogen volatility. Levels can be 3x higher than normal in early perimenopause, then crash, then surge again. A supplement protocol that treats this as simply 'low estrogen' misses the actual pattern.”
Harlow SD et al., STRAW+10 staging criteria, 2012
YOUR PROFILE
Perimenopause
WHAT'S IN YOUR PACK
The Shift handles irregular cycle lengths. You can update your last period date and average cycle length in the app at any time — the phase estimate recalculates automatically.
“Being told I'm "The Shift" felt more accurate than anything my doctor had said in two years of "your labs are fine."”
COMMON QUESTIONS
Two minutes. Completely free. Your profile and pack preview are yours before you ever enter a card.
Begin free →FOUNDING MEMBERS
500 spots. Price locked forever. Essential $39/mo, Full Protocol $69/mo — permanent founding rate.
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