Has dihexa been tested in humans?

No. As of 2026, there are no published human clinical trials for dihexa. All data is from animal studies (mouse Alzheimer's models, rat nerve repair) and cell culture experiments. No IND application has been filed with the FDA.

Unknown. There is zero human safety data. The HGF/c-Met pathway is involved in cancer progression, raising theoretical safety concerns with chronic use. Short animal studies showed no toxicity, but long-term effects are completely uncharacterized.

Can dihexa be taken orally?

Animal studies used oral administration with confirmed blood-brain barrier penetration (Dihexa crosses the BBB). Oral (4-8 mg), topical (2-5 mg), and intranasal (1-3 mg) routes are discussed in research literature, but no human pharmacokinetic data exists.

What is the recommended dose range for Dihexa?

The research dose range is Oral: 0.5–2 mg/day; Intranasal: 0.5–1.5 mg/day, administered via Oral (sublingual/capsule) or Intranasal, Once daily.

peptide dosing

Dihexa Dosing & Reconstitution Guide

Complete dosing reference for Dihexa (Nootropic / Cognitive). Covers reconstitution, dose range, titration schedule, pharmacokinetics, and storage protocols for research use.

Dosing Protocol

Route: Oral (sublingual/capsule) or Intranasal Frequency: Once daily Dose Range: Oral: 0.5–2 mg/day; Intranasal: 0.5–1.5 mg/day Timing: Morning or early afternoon; avoid evening (may disrupt sleep)

Storage

Lyophilized: −20 °C (−4 °F) Reconstituted: 2–8 °C (35.6–46.4 °F) Shelf Life: 28 days

Safety & Contraindications

Safety: No human safety data exists whatsoever Short-duration animal studies report no apparent toxicity at research dosages Potent HGF/c-Met activation raises theoretical oncological concerns (c-Met pathway involved in tumor progression)

Contraindications: No established contraindications due to complete absence of human data; Theoretical: active cancer (HGF/c-Met pathway is involved in tumor progression and metastasis); Pregnancy and breastfeeding (no safety data)

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Research Use Only. The information on this page is compiled from published research literature and is provided for educational purposes only. It does not constitute medical advice. All compounds referenced are intended for in vitro research use by qualified laboratories and institutions.