Free cold-chain shipping on every orderDoctor formulated · Clinically studied strainsCFU guaranteed at expiry, not at manufactureSubscribe & save 15% — skip or cancel anytimeFree cold-chain shipping on every orderDoctor formulated · Clinically studied strainsCFU guaranteed at expiry, not at manufactureSubscribe & save 15% — skip or cancel anytime
Home · By concern
Shop by what's annoying you

Tell us what's bothering you. We'll match the strain.

Our formulary maps 60+ specific conditions to specific organisms with peer-reviewed evidence. Pick the thing you feel — we'll point you at the bottle.

Not sure where to start

35+ formulas. One precise catalogue.

Every SKU is peer-reviewed, dose-validated, and built around a single therapeutic outcome. Browse by clinical domain and find the formula matched to your concern.

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How we formulate
  • ↳ Strain selection from peer-reviewed human trials
  • ↳ CFU guaranteed at expiry, not at manufacture
  • ↳ One formula, one therapeutic outcome
  • ↳ Medical-board reviewed across 15 domains