Understand your bloodwork. Save on testing.
The Peptide Buyer’s Guide brings together a clear, visual way to learn which markers people commonly consider for metabolic health, heart risk, organ function, inflammation and TRT. Then, through our exclusive AlgoRx member link, eligible U.S. members can order common tests through Quest or Labcorp and receive 10% off.
Learn what to test—and get 10% off your lab work.
AlgoRx gives U.S. members a convenient way to order self-directed blood testing through Quest or Labcorp. Use the exclusive Peptide Buyer’s Guide link below to receive 10% off eligible testing. If checkout asks for a coupon code, enter RUEBEN, subject to AlgoRx’s current terms and test availability.
This is a partner-resource page, not a substitute for clinical care. Use the guide to prepare better questions and confirm the right tests, timing and interpretation with your healthcare professional.
The five-page guide
Choose the page that matches your question.
Every page explains what a marker is intended to show and separates common starting points from tests that depend on symptoms, history or an abnormal result.
Risk & preventionHeart health
Lipids, ApoB, Lp(a), hs-CRP and related context for understanding cardiovascular risk.
Open full-size infographicGlucose & insulinGLP-1 & metabolic health
A1C, fasting glucose, C-peptide, kidney/liver context and additional tests when relevant.
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Filtration & organ contextLiver & kidney health
eGFR, UACR, liver enzymes, bilirubin and follow-up markers when results are abnormal.
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Patterns, not one numberInflammation & immune health
CRP, ESR, CBC with differential and disease-directed tests chosen for the clinical question.
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Baseline & monitoringHormones & TRT
Total/free testosterone, hematocrit, PSA, LH/FSH, estradiol and related context.
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