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Selank

Metabolic

Metabolic-medicine specialists evaluate Selank against glycemic control, insulin sensitivity, visceral adiposity, and the broader cardiometabolic risk profile. Modulates GABA-A receptor systems indirectly Increases serotonin metabolism via enkephalinase inhibition. Influences IL-6, BDNF, and TNF-α. The result is anxiolysis without the sedation, dependence, or motor impairment of benzodiazepines.. Baseline labs (HbA1c, fasting glucose, fasting insulin, HOMA-IR, lipid panel, ALT/AST, hsCRP) with 6-8 week follow-up on the 300 mcg per spray; 2-3 sprays daily daily for 2-4 week courses protocol provide the clinical evaluation framework.

Metabolic / Endocrine Applications
Mitochondrial BiogenesisGLP-1 SynergyGlucose RegulationVisceral Fat ReductionMetabolic Syndrome
Category
Tuftsin-derived heptapeptide anxiolytic
Standard Dose
300 mcg per spray; 2-3 sprays daily
Frequency
Daily for 2-4 week courses
Route
Intranasal · SubQ

Key Takeaways

  • Metabolic lens: Selank is tracked against glycemic, insulin sensitivity, visceral adiposity, and inflammatory markers.
  • Mechanism: Modulates GABA-A receptor systems indirectly.
  • Metabolic monitoring: baseline HbA1c, fasting glucose, fasting insulin, HOMA-IR, hsCRP, ALT/AST; ideally CGM in first cycle.
  • Metabolic dose: 300 mcg per spray; 2-3 sprays daily daily for 2-4 week courses via intranasal/subq.
  • Metabolic-medicine stack partners: Semaglutide (GLP-1), Cagrilintide, MOTS-c.

Metabolic / Endocrine Mechanism

Modulates GABA-A receptor systems indirectly. Increases serotonin metabolism via enkephalinase inhibition. Influences IL-6, BDNF, and TNF-α. The result is anxiolysis without the sedation, dependence, or motor impairment of benzodiazepines. Metabolic implications: how the mechanism interacts with insulin signalling, AMPK and mitochondrial biogenesis, visceral adiposity, and the appetite circuit. Selank's contribution at each layer is examined in the subsections below, with reference to the clinical biomarkers (HbA1c, fasting insulin, HOMA-IR, hsCRP, ALT/AST) that track each.

Insulin signalling and glycemic effect

Selank's relationship to insulin signalling is one of the central practical considerations. Direct incretin-axis effects are limited, but downstream insulin sensitivity is influenced through inflammatory, mitochondrial, or weight-related mechanisms. The implication for glycemic monitoring is clear: baseline HbA1c, fasting glucose, and — ideally — a CGM during the first cycle for users in or near the diabetes-spectrum range.

AMPK and mitochondrial signalling

Independent of insulin-receptor pharmacology, several peptides in this category engage AMPK and mitochondrial biogenesis pathways. Selank engages this layer indirectly through its effect on adiposity, inflammation, and the broader metabolic milieu. The practical effect is sustained shifts in fasting insulin, fasting glucose, and energy expenditure that are not visible in single-meal glycemic curves but accumulate across a cycle.

Visceral fat and the cardiometabolic axis

Selank's effect on visceral adipose tissue, hepatic steatosis, and cardiometabolic risk indices is the dimension most clinically tracked. Visceral adipose effects emerge gradually over months of consistent dosing rather than acutely. The most-tracked markers are waist circumference, ALT/AST (hepatic), hsCRP (inflammation), and — where available — DEXA-quantified visceral fat.

Metabolic / Endocrine Applications

Weight Management

Where Selank is used for weight management, integration with GLP-1 agonist therapy, AMPK activators, or visceral-fat-selective agents is the standard pattern in metabolic medicine clinics. Mono-therapy is appropriate for first-cycle users and for milder presentations.

Lipid Profile

Selank for lipid profile is best-evaluated against baseline metabolic markers: fasting glucose, HbA1c, lipid panel, hsCRP, ALT/AST. Response timelines are typically 8–12 weeks for primary endpoints; secondary markers (inflammation, hepatic function) move on similar timescales.

Insulin Sensitivity

In the metabolic syndrome population, Selank for insulin sensitivity produces measurable shifts on the cardiometabolic axis when paired with appropriate dietary and activity inputs. The compound's effect is additive to lifestyle rather than substitutive for it.

GLP-1 Synergy

Where Selank is used for glp-1 synergy, integration with GLP-1 agonist therapy, AMPK activators, or visceral-fat-selective agents is the standard pattern in metabolic medicine clinics. Mono-therapy is appropriate for first-cycle users and for milder presentations.

Dosing Protocol

Goal Route Dose Cycle
Standard protocolIntranasal300 mcg per spray; 2-3 sprays daily8–12 weeks on / 4 weeks off
Conservative starterIntranasal180 mcg per spray; 2-3 sprays daily4–6 weeks initial cycle
Metabolic focusIntranasal300 mcg per spray; 2-3 sprays dailyDaily for 2-4 week courses
Maintenance phaseIntranasal210 mcg per spray; 2-3 sprays dailyOngoing with periodic pauses

Dose timing for Selank is important relative to food and training given the short half-life. Consistency through the cycle is more important than the precise clock time of individual doses.

Stacking

Selank stacks well with compounds on complementary pathways. The pairings below are the conventional combinations from metabolic medicine specialists.

  • Selank + Semaglutide (GLP-1): Selective GLP-1 receptor agonist. Pairs naturally with Selank's mechanism in metabolic / endocrine protocols.
  • Selank + Cagrilintide: Selectively activates the amylin receptor (calcitonin receptor + RAMP1/3 complex). Pairs naturally with Selank's mechanism in metabolic / endocrine protocols.
  • Selank + MOTS-c: Translocates to the nucleus under metabolic stress and activates AMPK signalling. Pairs naturally with Selank's mechanism in metabolic / endocrine protocols.
  • Selank + Tesamorelin: Modified GHRH (1-44) sequence with an N-terminal trans-3-hexenoic acid that confers resistance to DPP-4 cleavage. Pairs naturally with Selank's mechanism in metabolic / endocrine protocols.

Safety & Regulatory Status

WADA: Not on prohibited list FDA: Unapproved (approved in Russia) Research: Russian clinical trials in GAD

Excellent. No reported dependence. Mild nasal irritation possible.

Lens-specific safety considerations for metabolic / endocrine use of Selank: Excellent. No reported dependence. Mild nasal irritation possible. Additional metabolic / endocrine monitoring at baseline and 6–8 week follow-up is appropriate.

Clinical Evidence

Selank vs Related Peptides

Compound Profile Onset Best For
SelankTuftsin-derived heptapeptide anxiolyticCNS effect lasts hours; plasma shortMetabolic
Semaglutide (GLP-1)GLP-1 receptor agonist~7 daysThe blockbuster GLP-1 receptor agonist with weekly dosing — engineered from native GLP-1 for protease resistance and albumin binding
CagrilintideLong-acting amylin analogue~7 daysA long-acting amylin analogue paired with semaglutide for weight loss results that exceed either drug alone
TesamorelinStabilised GHRH analogue~30 minAn FDA-approved long-chain GHRH analogue used for HIV-associated lipodystrophy and notable for its consistent effect on visceral adipose reduction

Frequently Asked Questions

What metabolic labs should I track?
Baseline panel: fasting glucose, HbA1c, fasting insulin, HOMA-IR, lipid panel, ALT/AST, hsCRP, lipoprotein(a), uric acid, urinalysis. Follow-up at 6–8 weeks and 12 weeks. Add waist circumference and — ideally — DEXA or visceral-fat imaging for body-composition tracking.
Will I regain weight after stopping Selank?
For most compounds in this class, partial weight regain after discontinuation is the typical pattern unless dietary and activity inputs have been fundamentally changed during the cycle. Metabolic-medicine practice increasingly frames peptide therapy as chronic rather than time-limited for weight management indications.
Will Selank affect my muscle mass during weight loss?
Aggressive weight loss without adequate protein intake and resistance training results in significant lean-mass loss with most metabolic compounds, including Selank. Pairing the metabolic protocol with 1.6–2.0 g/kg/day protein and twice-weekly resistance training preserves lean mass during the cut. This is now standard of care in metabolic medicine clinics.
Pancreatitis or thyroid risk?
Where Selank engages the GLP-1 or GIP pathway, pancreatitis is a rare but serious adverse event warranting vigilance for severe persistent abdominal pain. Medullary thyroid carcinoma and MEN-2 syndrome are formal contraindications for GLP-1-class compounds based on rodent C-cell hyperplasia findings. Other compound classes do not carry these specific concerns.
How long until I see results from Selank?
Acute effects from Selank appear within hours of dosing for receptor-level changes. metabolic and glycemic endpoints accumulate across 4–8 weeks; the typical 8–12 week cycle is calibrated to allow the full response window. Single-week evaluations consistently underestimate the response trajectory.
What is Selank?
Selank (also known as TP-7 / Threonyl-Lysyl-Prolyl-Arginyl-Prolyl-Glycyl-Proline) is a 7-residue tuftsin-derived heptapeptide anxiolytic with a molecular weight of 751 Da and a plasma half-life of CNS effect lasts hours; plasma short. Modulates GABA-A receptor systems indirectly. Increases serotonin metabolism via enkephalinase inhibition. Influences IL-6, BDNF, and TNF-α. The result is anxiolysis without the sedation, dependence, or motor impairment of benzodiazepines. The compound is studied primarily in the metabolic / endocrine domain for the applications outlined above.
Clinical Protocol

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Quick Facts

Molecular weight
751 Da
Sequence length
7 aa
Half-life
CNS effect lasts hours; plasma short
WADA
Not on prohibited list
FDA
Unapproved (approved in Russia)
Research
Russian clinical trials in GAD
Research Note

All metabolic / endocrine applications described on this page are derived from preclinical research, animal models, and limited human case data. None of these uses are FDA-approved indications for Selank unless otherwise noted. Always work with a physician familiar with peptide therapeutics before beginning a protocol.

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