New sourcing guide, with a sample certificate of analysis: read the guide of the month
Issue 06Autumn 2026
Cover story

What Siff Haider learned from packing orders in Toronto

Read the story → 12 min read
01Featured

Newly traced

View all →
02What we ask

We trace each capsule back to the field and ask how they know .

About us →
04Sourcing guides

Guides with a paper trail

8 pages
Seed to CapsuleNo. 01Read the label rightA field guide
PDF + checklist
Sourcing guide of the month

A practical guide to reading every supplement facts line

This guide is for careful buyers who want to compare two jars without trusting the front label. After reading it you will be able to work through any Supplement Facts panel in under ten minutes.

  • Start here Serving size sets every number below it.
  • Weigh this The weight is the nutrient, not the source compound.
  • Price truth Price per serving shows what the jar really costs.

Free · Read it here or download the PDF

More sourcing guides
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Extreme close-up of a woman's green eyes and dewy skin
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