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Protocol

Thymosin Alpha-1 (5mg Vial)

Complete dosage protocol and reconstitution guide for Thymosin Alpha-1 (5mg Vial).

Updated November 27, 2025 Research guide Research information only
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Educational reference only. TNHL calculates and organizes user-entered values; it does not diagnose, prescribe, recommend doses, or replace guidance from a qualified professional.
MechanismThymosin Alpha-1 (Tα1) is a 28–amino acid peptide originally isolated from the thymus gland, recognized for its broad immunomodulatory properties [1] . It has been investigated as an immune enhancer in chronic viral infections (hepatitis B/C, HIV/AIDS) and critical illness (sepsis, COVID-19) [2] [3] .
Dosing300–500 mcg once daily (gradual titration).
ReconstitutionAdd 2.0 mL diluent to a 5 mg vial.
StorageLyophilized: refrigerate at 2–8 °C (35.6–46.4 °F) or freeze at −20 °C (−4 °F) ; after reconstitution, refrigerate and use within 7 days.

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Run the vial math before tracking.

At 2.5 mg/mL, 1 unit = 25 mcg ; 1.6 mg = 64 units (0.64 mL) per injection on a U-100 syringe.

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01 · At a glance

Quickstart Highlights

Thymosin Alpha-1 (Tα1) is a 28–amino acid peptide originally isolated from the thymus gland, recognized for its broad immunomodulatory properties [1] . It has been investigated as an immune enhancer in chronic viral infections (hepatitis B/C, HIV/AIDS) and critical illness (sepsis, COVID-19) [2] [3] . This educational protocol presents a once‑daily subcutaneous approach using a practical dilution for clear insulin‑syringe measurements.

ReconstituteAdd 3.0 mL bacteriostatic water → ~ 1.67 mg/mL concentration.
Reference dose300–500 mcg once daily (gradual titration).
Easy measuringAt 2.5 mg/mL, 1 unit = 25 mcg ; 1.6 mg = 64 units (0.64 mL) per injection on a U-100 syringe.
StorageLyophilized: refrigerate at 2–8 °C (35.6–46.4 °F) or freeze at −20 °C (−4 °F) ; after reconstitution, refrigerate and use within 7 days.
Start with sterile preparation, storage, and injection-site basics before using any calculator output. TNHL is a tracking and education tool only.

02 · Dosing & reconstitution

Dosing & Reconstitution Guide

A practical calculator-ready setup based on the imported protocol reference. Use these values as a math starting point, then verify every entry against your own vial, diluent, and professional guidance.

Standard / Gradual Approach (3 mL = ~1.67 mg/mL)

Phase / setup Dose & frequency Volume / units
Week 1300 mcg (0.3 mg)18 units (0.18 mL)
Weeks 2–8500 mcg (0.5 mg)30 units (0.30 mL)
Week 2onward. The 500 mcg daily dose yields ~3.5 mg/week, consistent with clinical dosing ranges [4] [5] . Treatment durations of 8–16 weeks are commonly reported in literature.See calculator

300–500 mcg once daily (gradual titration).

Reconstitution Steps

  1. Draw 3.0 mL bacteriostatic water with a sterile syringe.
  2. Inject slowly down the vial wall; avoid foaming.
  3. Gently swirl/roll until dissolved (do not shake).
  4. Label with reconstitution date and refrigerate at 2–8 °C (35.6–46.4 °F) , protected from light.

03 · What you'll need

Supplies Needed

Keep this as a planning checklist. TNHL does not sell or verify supplies on this page, and no supplier quality claims are made here.

Peptide Vials 8 weeks ≈ 6 vials
  • 12 weeks ≈ 9 vials
  • 16 weeks ≈ 12 vials
Insulin Syringes Per week: 7 syringes (1/day)
  • 8 weeks: 56 syringes
  • 12 weeks: 84 syringes
  • 16 weeks: 112 syringes
Bacteriostatic Water Use ~3.0 mL per vial for reconstitution.
  • 8 weeks (6 vials): 18 mL → 2 × 10 mL bottles
  • 12 weeks (9 vials): 27 mL → 3 × 10 mL bottles
  • 16 weeks (12 vials): 36 mL → 4 × 10 mL bottles
Alcohol Swabs One for the vial stopper + one for the injection site each day.
  • Per week: 14 swabs (2/day)
  • 8 weeks: 112 swabs → recommend 2 × 100‑count boxes
  • 12 weeks: 168 swabs → recommend 2 × 100‑count boxes
  • 16 weeks: 224 swabs → recommend 3 × 100‑count boxes

Protocol Overview

  • Goal: Support immune modulation and enhance host defense mechanisms [1] [2] .
  • Schedule: Daily subcutaneous injections for 8–12 weeks (extend to 16 weeks if desired).
  • Dose Range: 300–500 mcg daily with gradual titration.
  • Reconstitution: 3.0 mL per 5 mg vial (~1.67 mg/mL) for accurate unit measurements.
  • Storage: Lyophilized refrigerated or frozen; reconstituted refrigerated; use within 7 days.

Dosing Protocol

  • Suggested daily titration approach.
  • Start: 300 mcg daily for Week 1 to assess tolerance.
  • Target: 500 mcg daily from Week 2 onward.
  • Frequency: Once per day (subcutaneous).
  • Cycle Length: 8–12 weeks; optional extension to 16 weeks.
  • Timing: Any consistent time; rotate injection sites.

Storage Instructions

  • Lyophilized: refrigerate at 2–8 °C (35.6–46.4 °F) or freeze at −20 °C (−4 °F) ; after reconstitution, refrigerate and use within 7 days.
  • Storage: Lyophilized refrigerated or frozen; reconstituted refrigerated; use within 7 days.
  • Keep mixed and unmixed items clearly labeled so inventory and dose logs stay accurate.

04 · Good to know

Important Notes

  • Practical considerations for consistency and safety.
  • Use new sterile insulin syringes; dispose in a sharps container.
  • Rotate injection sites (abdomen, thighs, upper arms) to reduce local irritation.
  • Inject slowly; wait a few seconds before withdrawing the needle.
  • Document daily dose and site rotation to maintain consistency.
  • Inspect solution before each use—do not use if cloudy or discolored.

05 · How it works

How This Works

Thymosin Alpha-1 (Tα1) is a 28–amino acid peptide originally isolated from the thymus gland, recognized for its broad immunomodulatory properties [1] .

It has been investigated as an immune enhancer in chronic viral infections (hepatitis B/C, HIV/AIDS) and critical illness (sepsis, COVID-19) [2] [3] .

This educational protocol presents a once‑daily subcutaneous approach using a practical dilution for clear insulin‑syringe measurements.

The library page pairs that educational context with calculator-ready vial math, so users can understand the protocol structure and then track their own entered values in one place.

06 · Daily habits

Lifestyle Factors

  • Keep meals, training, sleep, and recovery notes in the journal so trends are easier to review.
  • Track body metrics only if they are relevant to the user's goal and approved data sources.
  • Use consistent timing and logging habits so adherence data is meaningful.

07 · What to expect

Potential Benefits & Side Effects

  • Thymosin Alpha-1 observations should be recorded conservatively: expected research endpoints, tolerability notes, injection-site reactions when applicable, sleep, appetite, energy, mood, and any adverse or unusual response.
  • This section is not a claim of therapeutic benefit.

08 · Technique

Injection Technique

Pre-injection preparation
  • Wash hands with soap and water.
  • Wipe the vial stopper and chosen site with alcohol, then let both dry.
  • Confirm the vial concentration, calculator result, and intended draw amount before loading the syringe.
Injection procedure
  • Use the route and needle technique directed by a qualified professional or product instructions.
  • For subcutaneous injections, rotate sites and inject slowly to limit leakage and irritation.
  • Do not reuse needles or syringes.
Post-injection care
  • Dispose of sharps in a puncture-resistant container.
  • Return stored items promptly to the correct temperature.
  • Log dose, site, date, time, inventory change, and any observation.

09 · Evidence

References

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