Everything on this site, on one page
Guides you can cite, tools you can try, and the pages that explain what peppies actually does. No account needed for any of it.
Reading certificates
How to read a peptide COA
Every field, line by line — and the ten-second check almost nobody runs.
Fake, recycled and mismatched COAs
The three failure modes and the tells that catch each one.
What a purity percentage hides
Where the number comes from and the question it can never answer.
Verifying the lab itself
ISO 17025, accreditation registries, and the five-minute check.
What a COA cannot tell you
The honest limits — and why narrow claims are the trustworthy kind.
Blood work & tracking
Tracking blood work over time
Baseline, rhythm, record — how values stay comparable across months.
Home blood testing, explained
How a Tasso collection device and an independent laboratory work together.
Wearable blind spots
What a watch can see, and the values it never will.
Basics
Peptides: what they are
The chemistry, the contexts, and what research-use-only means.
The buying checklist
Every question worth asking before deciding anything.
Certificate questions
What to ask a seller about their paperwork.
Try it yourself
Read a COA in 90 seconds
An interactive example certificate — five lines, five checks, one timer.
The proof quiz
Six questions about what you could actually prove. The score is only as brutal as your habits.
The whole chain
Source, verify, baseline, expert, record — as one connected system.
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