PRODUCT

Testagen (20 mg Vial)

No short description available.

Quickstart Highlights

Testagen is a synthetic tetrapeptide with the sequence Lys‑Glu‑Asp‑Gly (KEDG), an anterior pituitary‑derived bioregulator studied for its role in modulating endocrine function, particularly the pituitary–gonadal axis[1][2]. Preclinical research indicates effects on thyroid hormone normalization and male reproductive hormone modulation[3][4]. This educational protocol presents a once‑daily subcutaneous approach using a practical dilution for clear insulin‑syringe measurements.

Reconstitute: Add 3.0 mL bacteriostatic water → ~6.67 mg/mL concentration.
Typical daily range: 100–300 mcg once daily (gradual titration).
Easy measuring: At 6.67 mg/mL, 1 unit = 0.01 mL ≈ 66.7 mcg on a U‑100 insulin syringe.
Storage: Lyophilized: freeze at −20 °C (−4 °F); after reconstitution, refrigerate at 2–8 °C (35.6–46.4 °F); avoid freeze–thaw cycles.

Molecular Info

Chain Length:4 amino acids
Sequence Type:Tetrapeptide
Molecular Weight:447.4 Da
Amino Acid Sequence:H-Lys-Glu-Asp-Gly-OH (KEDG)
Modification:Synthetic analog based on anterior pituitary gland peptide extracts

Research Indications

Thyroid

effective

Thyroid Function Optimization
May enhance T3/T4 thyroid hormone production through TSH modulation.
TSH Stimulation
Research suggests potential stimulation of thyroid-stimulating hormone release from anterior pituitary.

Hormonal

moderate

Testosterone Support
Indirect testosterone support through thyroid function optimization - hypothyroidism correlates with reduced testosterone.
Pituitary Function
Proposed to stimulate anterior pituitary function and overall endocrine regulation.

Longevity

effective

Bioregulator Therapy
Part of Khavinson's 40-year research program on peptide geroprotectors for age-related decline.
Epigenetic Regulation
Proposed to interact with DNA and histones to modulate gene expression in target tissues.

Reconstitution

Draw 3.0 mL bacteriostatic water with a sterile syringe.
Inject slowly down the vial wall; avoid foaming.
Gently swirl/roll until dissolved (do not shake) [5] .
Label and refrigerate at 2–8 °C (35.6–46.4 °F) , protected from light.
Gently swirl/roll until dissolved (do not shake)[5].
Label and refrigerate at 2–8 °C (35.6–46.4 °F), protected from light.

Interactions

Epitalon

Synergistic

Both are Khavinson bioregulators - Epitalon targets pineal function while Testagen targets anterior pituitary. Commonly used together in Russian anti-aging protocols.

Pinealon

Synergistic

Complementary bioregulators - Pinealon supports pineal/brain function while Testagen supports pituitary-gonadal axis.

Thymalin

Compatible

Both are Khavinson bioregulators with different targets (thymus vs pituitary). No known negative interactions.

CJC-1295

Monitor Combination

Both affect pituitary function - CJC-1295 stimulates GH release while Testagen may affect TSH. Monitor for hormonal changes.

Ipamorelin

Compatible

Different pituitary targets - Ipamorelin stimulates GH via ghrelin receptor, Testagen targets TSH pathways.

BPC-157

Compatible

No direct interaction - work through completely different mechanisms (tissue repair vs endocrine regulation).

Thyroid Medications

Monitor Combination

Testagen may affect TSH and thyroid hormone levels - monitor thyroid function closely if on thyroid medications.

TRT/Testosterone

Monitor Combination

Both affect testosterone levels through different mechanisms. Monitor hormone levels if combining.

Protocol Overview

Goal:Support endocrine function research, particularly pituitary–gonadal axis modulation[1][2].
Schedule:Daily subcutaneous injections for 8–12 weeks (extend to 16 weeks if desired).
Dose Range:100–300 mcg daily with gradual titration.
Reconstitution:3.0 mL per 20 mg vial (~6.67 mg/mL) for accurate unit measurements.
Storage:Lyophilized frozen; reconstituted refrigerated; avoid repeated freeze–thaw.

Dosage Protocols

Start:100 mcg daily; increase by ~50 mcg every 2 weeks as tolerated.
Target:200–300 mcg daily by Weeks 5–12.
Frequency:Once per day (subcutaneous).
Cycle Length:8–12 weeks; optional extension to 16 weeks.
Timing:Any consistent time; rotate injection sites.

Dosage Protocols

Starting / Titration (Weeks 1-2):100mcgOnce daily
Building (Weeks 3-4):150mcgOnce daily
Standard (Weeks 5-8):200mcgOnce daily
Maximum (Weeks 9-12):250-300mcgOnce daily

Route:injectable

Storage Instructions

Lyophilized:Store at −20 °C (−4 °F) in dry, dark conditions; minimize moisture exposure.
Reconstituted:Refrigerate at 2–8 °C (35.6–46.4 °F); prepare aliquots if needed and avoid freeze–thaw.

Important Notes

Practical considerations for consistency and safety.

Use new sterile insulin syringes; dispose in a sharps container[7].
Rotate injection sites (abdomen, thighs, upper arms) to reduce local irritation[8].
Inject slowly; wait a few seconds before withdrawing the needle.
Document daily dose and site rotation to maintain consistency.
Due to very low injection volumes (≤5 units), a 30‑ or 50‑unit syringe is recommended for precision.

Reconstitution

Add 3.0mL BAC water to 20mg vial = 6.67mg/mL (6670mcg/mL)
At this concentration: 1 unit = ~67mcg on U-100 syringe
Inject BAC water slowly down vial wall, avoid direct contact with powder
Gently swirl or roll until dissolved - do NOT shake
Allow to sit 2-3 minutes if any cloudiness, swirl again until clear
For 100mcg dose: draw 1.5 units; for 200mcg: 3 units; for 300mcg: 4.5 units
Store reconstituted solution refrigerated at 2-8°C

Route:injectable

How It Works

Testagen (Lys‑Glu‑Asp‑Gly) belongs to a class of short bioregulatory peptides derived from anterior pituitary extracts[1]. Preclinical research in avian models demonstrates that this tetrapeptide can normalize thyroid hormone levels in hypophysectomized subjects and modulate endocrine signaling along the pituitary–gonadal axis[3][4]. These peptides are hypothesized to act through gene‑regulatory mechanisms influencing hormone synthesis and secretion[2]. No human clinical trials exist; current understanding is extrapolated from preclinical and in vitro studies.

Lifestyle Factors

Maintain a balanced, nutrient‑dense diet supporting endocrine health.
Engage in regular physical activity to support hormonal balance.
Prioritize quality sleep (7–9 hours) to optimize endogenous hormone rhythms.
Manage stress through mindfulness or other techniques to reduce cortisol interference.

Injection Technique

Clean the vial stopper and skin with alcohol; allow to dry[7].
Pinch a skinfold; insert the needle at 45–90° into subcutaneous tissue[7][8].
Do not aspirate for subcutaneous injections; inject slowly and steadily[7].
Rotate sites systematically (abdomen avoiding 2″ around navel, thighs, upper arms) to avoid tissue damage[8].
Use a fine gauge needle (23–25 G, ½–⅝″) for comfort[7].

Benefits and Side Effects

Benefits

Preclinical studies suggest normalization of thyroid hormone parameters in hypophysectomized models[3][4].
Research indicates potential modulation of male reproductive hormones via pituitary pathways[2].
No published human safety or efficacy data; side‑effect profile in humans remains unknown.

Side Effects

Occasional mild injection‑site reactions (redness/itch) may occur with subcutaneous administration.

Testagen (20 mg Vial)

Resources

Categories

Company