Best Peptide App and Tools

Stack Tracker

New Member
Excited to share something we’ve been working on for the community — stacktracker.info

It’s designed to be the world’s most advanced app for tracking peptides, biologics, and hormones — built by and for researchers who are tired of spreadsheets, reminders, and guesswork.

Key Features​

  • Dosage Calculator — precise reconstitution and injection volume calculations (mg, mcg, IU, U-100/U-40).
  • Half-Life Hub — visualize compound levels over time with real pharmacokinetic curves.
  • Protocol Library & Vault — create, save, and share multi-phase protocols; import real research stacks from others.
  • Daily Brief — see exactly what’s on schedule today and log “taken” or “skipped” instantly.
  • StackPilot AI — a research-only assistant to help plan and refine protocols.
  • Community & Profiles — follow others, publish stacks, upvote protocols, and learn from peers.
  • Research-Use-Only Focus — everything framed for educational and research purposes, with clear disclaimers.
If you’ve ever wished there was a single place to calculate, log, visualize, and learn from others — this is it.

Check it out here: stacktracker.info
 

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  • Stack Tracker Dose Calculator.webp
    Stack Tracker Dose Calculator.webp
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  • Stack Tracker Daily Brief Dose Log.webp
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  • Stack Tracker Half-Life Hub.webp
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  • Stack Tracker Protocol Library.webp
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  • Stack Tracker Protocol Vault.webp
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  • Stack Tracker AI Agent - StackPilot.webp
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hCG Mixing Calculator

HCG Mixing Protocol Calculator

TRT Hormone Predictor Widget

TRT Hormone Predictor

Predict estradiol, DHT, and free testosterone levels based on total testosterone

⚠️ Medical Disclaimer

This tool provides predictions based on statistical models and should NOT replace professional medical advice. Always consult with your healthcare provider before making any changes to your TRT protocol.

ℹ️ Input Parameters

Normal range: 300-1000 ng/dL

Predicted Hormone Levels

Enter your total testosterone value to see predictions

Results will appear here after calculation

Understanding Your Hormones

Estradiol (E2)

A form of estrogen produced from testosterone. Important for bone health, mood, and libido. Too high can cause side effects; too low can affect well-being.

DHT

Dihydrotestosterone is a potent androgen derived from testosterone. Affects hair growth, prostate health, and masculinization effects.

Free Testosterone

The biologically active form of testosterone not bound to proteins. Directly available for cellular uptake and biological effects.

Scientific Reference

Lakshman KM, Kaplan B, Travison TG, Basaria S, Knapp PE, Singh AB, LaValley MP, Mazer NA, Bhasin S. The effects of injected testosterone dose and age on the conversion of testosterone to estradiol and dihydrotestosterone in young and older men. J Clin Endocrinol Metab. 2010 Aug;95(8):3955-64.

DOI: 10.1210/jc.2010-0102 | PMID: 20534765 | PMCID: PMC2913038

Beyond Testosterone Podcast

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