Blood Testing
Know What to Monitor. Know Which Panel Covers It.
Built for peptide researchers. Pick your peptides and see exactly which vendors cover the biomarkers that actually matter for your protocol.
Protocol Builder
Pick your peptides. We'll tell you what to monitor and who covers it.
Select the peptides in your protocol to get a ranked biomarker list and the vendors that cover it best.
Membership Plans
Annual or monthly subscriptions with recurring access to comprehensive panels.
Affiliate link — Watchtower may earn a referral fee
Affiliate link — Watchtower may earn a referral fee
Affiliate link — Watchtower may earn a referral fee
Affiliate link — Watchtower may earn a referral fee
One-Time Panel Packages
Pay once, no subscription required. Order again when you need to retest.
Affiliate link — Watchtower may earn a referral fee
Panels + À La Carte
Named panels for a starting point, plus a full à la carte catalog if you want to add or swap individual markers.
Affiliate link — Watchtower may earn a referral fee