Purest Form - Est. 1999

Pure Prescriptions

Practitioner-grade formulas created with clinical precision. Every product carries our exacting standards for purity, potency, and bioavailability.

Complete Index

Pure Prescriptions - A-Z Index

Showing 1-1 of 1 Pure Prescriptions products in Immune Support starting with "A".

AHCC®

AHCC®

Our formula pairs it with pharmaceutical-grade Vitamin C for enhanced synergistic immune support that goes beyond what any…

Starting at $75.00

More Info

Not sure where to start?

Three ways to
discover what's right for you.

The supplement world is noisy. We've built three distinct paths — so wherever you're starting from, we can guide you to exactly what your body needs.
For the uncertainWellness QuizAnswer a few questions about your health goals and receive a practitioner-matched protocol in minutes. The fastest path from confusion to clarity.
  • 2-minute assessment
  • Practitioner-curated results
  • Matched to your life stage
Take the QuizBy Dr. Devin RyersonThe MethodSeven hand-picked stacks developed by our founder — each targeting a specific health outcome with clinical precision. No guesswork, no compromise.
  • 7 practitioner protocols
  • Condition-specific stacks
  • Trusted since 1999
Explore The MethodFor the self-directedBundle & SaveYou know what you need. Pick from our full catalog, stack your go-to formulas, and save more as you add — up to 20% off plus a free product at 5 items.
  • 10–20% off bundles
  • Free product at 5 items
  • Pure Prescriptions® brands
Start Bundling