Humanin vs Thymalin

A side-by-side comparison from PeptideSciences101, the open peptide reference.

Overview

Humanin is primarily a anti-aging & longevity peptide, while Thymalin is used for immune support.

This page compares Humanin and Thymalin across their primary use, typical dosing, reported benefits and side effects, and U.S. regulatory status. For the full monograph on either compound — mechanism of action, clinical research, and references — follow the article links.

Side-by-side comparison

HumaninThymalin
CategoryAnti-aging & LongevityImmune Support
Regulatory status (US)Research use onlyResearch use only
Typical dosageResearch phase10 mg
Frequencyresearchdaily for 10-day cycles
Reported benefitsNeuroprotection, metabolic health, potential longevity extension, alzheimer's protectionThymus rejuvenation, immune enhancement, anti-aging immune support
Reported side effectsResearch phase. Safety profile being establishedWell-tolerated during cycles

Key differences

Primary use. Humanin is categorised under Anti-aging & Longevity, while Thymalin falls under Immune Support. Their differing categories mean they are usually chosen for different goals rather than as direct substitutes.

Regulatory status. Humanin: not FDA-approved; treated as a research compound. Thymalin: not FDA-approved; treated as a research compound.

Dosing. Humanin is typically dosed at Research phase (research). Thymalin is typically dosed at 10 mg (daily for 10-day cycles).

Can you stack them?

Some protocols combine peptides, but stacking Humanin and Thymalin has not been validated for safety or efficacy in controlled trials. Combining compounds can change their effects and risks. Nothing here is medical advice — consult a qualified healthcare provider before starting or combining any protocol.

Frequently asked questions

What is the difference between Humanin and Thymalin?
Humanin is primarily a anti-aging & longevity peptide, while Thymalin is used for immune support. Humanin is not FDA-approved; generally classified as a research compound, whereas Thymalin is not FDA-approved; generally classified as a research compound.
What is Humanin used for?
Mitochondrial protection, longevity.
What is Thymalin used for?
Thymus restoration peptide.
Can you take Humanin and Thymalin together?
Some users combine peptides within a single protocol, but stacking Humanin and Thymalin has not been established as safe or effective in controlled trials. Neither this comparison nor PeptideSciences101 is medical advice — consult a qualified healthcare provider before combining any compounds.
Is Humanin or Thymalin FDA-approved?
Humanin is not FDA-approved; generally classified as a research compound. Thymalin is not FDA-approved; generally classified as a research compound.

Read the full articles

  • Humanin — full monograph: mechanism, research, dosing & references
  • Thymalin — full monograph: mechanism, research, dosing & references

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