Batch 001 - Live Allocation
Next Release: Aug 2026
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V-Series Protocol

V-G1Popular · GH-Axis Recovery

Build - Lean Mass & Sleep Quality

Natural GH-pathway optimization, without exogenous GH risks

Quick Takeaways
Stimulates endogenous GH pulse via hypothalamic pathway (Sermorelin)
Selective GHRP action without cortisol or prolactin spikes (Ipamorelin)
Sustains downstream IGF-1 signalling for composition and recovery
TargetsBody Composition · Recovery
Duration12 week physician-monitored cycle; reassessment before any extension
Cohort0 active members
Core Compounds
CJC-1295Ipamorelin
💉Available as a single-vial blend - GHRH Stack
$265/mo
one injection · product only
Biomarker monitoring, physician consults, and dose adjustments available through Membership (available to partner practices, free for Batch 001). Or upload your own labs for a free AI educational summary.
Batch 001 Allocation
0 of 15 reserved15 open
Monthly
$420 USD/mo
Founding-Member Savings
Standard (Monthly)$325/mo
6-Month Founding Tier$378/mo
Annual savings$-636
Janoshik Verified
HPLC + MS purity, every batch
Independent third-party lab
COA Per Batch
Lot-level certificates published
Labeled vs actual mg disclosed
Protocol Reviewed
Clinical reasoning per stack
Phase 1 supervision onboarding
V-G1 · Platinum · Anabolic Axis
Composition

Each compound, and what it does

Every component is individually sourced, third-party verified, and dispensed within physician supervision. Tap any compound for its full clinical reference.

Clinical Overview
V-G1 Explainer · 90 seconds
Video Coming Soon
Clinical explainer · ~90s · Authored by Vivre Labs Medical Board
Patient Selection
Who This Protocol Is For

A conservative two-compound protocol for patients pursuing physician-supervised optimization of the growth hormone axis. Pairs a GHRH analogue with a selective ghrelin-receptor agonist to amplify the body's own pulsatile GH release - without exogenous GH administration. The protocol is administered as a daily subcutaneous injection, typically pre-sleep on an empty stomach, to align with the body's natural overnight GH pulse. Used for body-composition support, recovery from training load, and IGF-1 trend management in healthy adults under clinical supervision.

CLINICAL INDICATION: Healthy adults pursuing physician-supervised body-composition or recovery optimization; not for diagnosed GH deficiency (different therapy class) and not for muscle-mass claims outside supervised clinical context

Cohort Outcomes · V-G1
What members on Build - Lean Mass & Sleep Quality report.
V-G1 has just opened for allocation. No member-cohort outcomes are reported until a sufficient sample with completed Wk 12 endpoints exists. This is deliberate - outcomes shown without n, timeframe and variance would be misleading. · Population medians, individual results vary
Primary efficacy marker
IGF-1
IGF-1 trend is the direct, measurable readout of GH-axis amplification; tracked at baseline, wk 6 and wk 12
Safety markers
Glucose · HbA1c · IGFBP-3
GH-axis activity can affect glucose handling; monitored on the same cadence
Adjunctive measures
Body composition · recovery
DEXA where indicated; subjective recovery tracked, not used as primary endpoint
Reported outcomes
Pending cohort
Vivre will not publish percentages until the cohort is large enough to be meaningful - Will-Not-Do #14
V-G1 is a new addition to the protocol library. Honest outcomes reporting requires a cohort that does not yet exist. When it does, results will be published with sample size, time period, and variance - consistent with how every other Vivre protocol's data is shared.
Outcomes shown reflect cohort medians from members completing 12 weeks on protocol. Individual outcomes depend on baseline biomarkers, adherence, and physician-directed adjustments. Past cohort performance does not guarantee future results.
Mechanism
How V-G1 Works

CJC-1295 (No DAC) extends the GHRH-receptor signal; Ipamorelin acts through the ghrelin/GHS-R pathway with minimal cortisol or prolactin effect. The two pathways converge on amplified endogenous GH pulses, measured downstream by IGF-1. The stack does not introduce exogenous GH; it modulates the body's own secretion pattern.

A deliberately conservative GH-axis stack: two compounds, complementary mechanisms, no redundancy. Designed for patients who want measurable IGF-1 optimization with the cleanest possible monitoring picture - not a multi-compound protocol whose individual contributions cannot be disentangled.

A note for patients already on a SERM (e.g. enclomiphene or clomiphene): SERMs can modestly lower IGF-1 - recent data found reduced IGF-1 in most treated men (Mogar et al., J Endocr Soc 2025) - so some patients on SERM therapy consider a GH-axis stack like this one to offset that dip. If this applies to you, it is a monitoring consideration to raise with your physician, not a self-directed protocol: Vivre does not supply enclomiphene, and whether the two are appropriate together (and at what point IGF-1 is read) is a clinical decision. Your IGF-1 here would be interpreted against the SERM rather than in isolation.

Formulation
What arrives each month
◆ Pre-Blended Stack
One vial. One injection per administration.
CJC-1295 (No DAC) + Ipamorelin pre-formulation. One reconstitution, one injection event - physician-determined schedule (typically administered on an empty stomach). The two compounds are clinically paired with fixed synergistic intent; pre-blending preserves that intent and removes a needle event per administration.
What's in the boxSpecificationPer month
CJC+IPA Blend (CJC-1295 No DAC 5mg + Ipamorelin 5mg)10mg total per vial · approximately 3 vials in this order for typical daily protocols
V-G1 cohort outcomes are tracked on the pre-blended CJC+IPA formulation. Tesamorelin variant (if added by physician at consultation) is a separate vial - tracked as a distinct sub-cohort, see Optional Variant section.
Vial counts shown are operational transparency - what arrives in the monthly allocation box. Administration frequency, per-administration amounts, and reconstitution method are physician-determined at consultation, not on this page.
Components
Core Compounds in V-G1
Growth hormone support
CJC-1295 (No DAC)
GHRH Analog · 10mg
GHRH Receptor Agonism
GHRP
Ipamorelin
Ghrelin Mimetic · 10mg
Selective GHS-R Agonism
Protocol Timeline
Titration Schedule
Wk 1–2
Physician-directed pre-sleep SubQ initiation
Baseline IGF-1 and fasting metabolic panel required before starting
Wk 3–6
Maintenance dosing per physician
Wk 6 IGF-1 and glucose checkpoint - adjust per response
Wk 7–12
Continued under physician direction
Wk 12 mandatory review: IGF-1, HbA1c, body-composition assessment
Clinical Oversight
Monitoring & Safety
Lab Monitoring
IGF-1, fasting glucose, HbA1c, IGFBP-3 at baseline + wk 6, 12
Contraindications
Active or recent malignancy (IGF-1 elevation contraindicated), diabetic retinopathy or proliferative retinopathy, uncontrolled diabetes, pregnancy, paediatric use; caution with insulin resistance - physician screening required
Patient Bloodwork Guide
Bloodwork for Growth-Hormone Protocols

GHRH / GHRP secretagogues - Tesamorelin, CJC-1295, Ipamorelin, V-G1

These protocols gently restore your body’s own pulsing release of growth hormone rather than replacing it. Because growth hormone also affects blood sugar, monitoring confirms two things: that it is working, and that it is doing so safely.

Incremental approach. Vivre starts below the standard dose and advances only on tolerance. This monitoring is the safety scaffold for that conservative approach.

Is it working? (Efficacy)
IGF-1The main signal of your overall growth-hormone output across the day.
IGFBP-3The protein that carries IGF-1 - measured alongside it for a clearer picture of how much is active.
Blood sugar & metabolism (watch closely)
Fasting insulinThe earliest warning sign of insulin resistance - it moves before blood sugar does.
HbA1cYour average blood sugar over ~3 months. Especially relevant with Tesamorelin.
Fasting glucoseA routine blood-sugar check.
Keeping side effects in check
ProlactinIpamorelin (the one Vivre uses) is highly selective and rarely affects this; checked as good practice.
Cortisol (AM)A stress-hormone check included for completeness.
Overall safety
hs-CRPA sensitive inflammation marker - confirms recovery, not strain.
CBC & CMPStandard blood count, liver, and kidney panels.
When the tests happen
Baseline (before you start)Full panel - your natural starting point.
Mid-cycle (week 6–8)IGF-1, fasting insulin, prolactin/cortisol - confirm it works, catch sugar drift early.
Post-cycle (4 weeks off)IGF-1 and fasting insulin - confirm natural production recovers.

Educational only - not medical advice or a dosing instruction. Your physician orders the tests, sets your dose, interprets results, and decides if a protocol is right for you. See the Informed Consent & Disclaimer for full terms.

Clinical Monitoring Reference
What Your Physician Tracks - and Why
V-G1 amplifies the body's endogenous GH axis via CJC-1295 (GHRH analogue) and Ipamorelin (selective ghrelin-receptor agonist). The reference set below is what a Vivre physician tracks during supervised use - monitoring practice, not a self-administration guide. IGF-1 is the primary efficacy marker; glucose handling and safety screening anchor the safety side.
Dosing & Frequency
Daily subcutaneous administration, typically pre-sleep on an empty stomach - aligned with the body's natural overnight GH pulse. Physician-supervised 12-week cycle with mandatory checkpoints at baseline, week 6, and week 12. Dose and any cycling (e.g. 5-on / 2-off rhythm) are physician-determined by IGF-1 response and tolerability - never self-adjusted. Extension beyond 12 weeks requires explicit physician review.
BiomarkerWhy It's MonitoredBaselineCadence
IGF-1Primary efficacy marker - direct downstream readout of GH-axis amplificationYesWk 6, 12
IGFBP-3IGF-1 binding-protein context; bioavailable-IGF interpretationYesWk 6, 12
Fasting glucosePrimary safety marker - GH-axis activity can affect glucose handlingYesWk 6, 12
HbA1cLonger-term glycaemic safety surveillanceYesBaseline + wk 12
Fasting insulinInsulin-sensitivity trend during GH-axis modulationYesWk 6, 12
Thyroid panel (TSH, fT4)GH-axis activity can interact with thyroid functionYesBaseline + wk 12
Lipid panelCardiometabolic surveillanceYesBaseline + wk 12
Cortisol (AM)Ipamorelin is selective for GH release with minimal cortisol effect; confirmed at baselineBaseline onlyRe-check if clinically indicated
ProlactinSame selectivity confirmation (minimal prolactin effect)Baseline onlyRe-check if clinically indicated
Retinopathy screen (where indicated)IGF-1 elevation is contraindicated in proliferative retinopathyYesBaseline screen mandatory
Malignancy screen (history-based)Active or recent malignancy is an absolute contraindicationYesBaseline screen mandatory
Body composition (DEXA where indicated)Adjunctive composition tracking - not a primary endpointOptionalBaseline + wk 12 if indicated
Tolerability logSubjective response (sleep, recovery, injection-site tolerance)YesOngoing
Monitoring practice shown for education. V-G1 is not for diagnosed GH deficiency - that requires a different therapy class. Use in healthy adults for composition or recovery optimization is off-label and operates under physician supervision with explicit informed consent.
This reference describes physician monitoring practice for educational purposes. It is not a prescription, a dosing instruction, or medical advice. Treatment, dosing, and frequency are determined only by a licensed physician in consultation.
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Clinical Literature
Evidence Behind The Stack
V-G1 combines CJC-1295 (No DAC) and Ipamorelin to amplify pulsatile endogenous GH release. The literature below covers the GHRH-receptor pathway (CJC-1295) and the selective ghrelin-receptor pathway (Ipamorelin).
CJC-1295 (No DAC)

Prolonged Stimulation of GH and IGF-I Secretion by CJC-1295, a Long-Acting Analog of GHRH, in Healthy Adults

Teichman SL, Neale A, Lawrence B, Gagnon C, Castaigne JP, Frohman LA · 2006 · Journal of Clinical Endocrinology & Metabolism 2006;91(3):799–805

Findings

Two randomized, placebo-controlled, double-blind ascending-dose trials in healthy adults aged 21–61 (DOI 10.1210/jc.2005-1536). A single subcutaneous injection produced dose-dependent increases in mean plasma GH (2–10× for ≥6 days) and IGF-I (1.5–3× for 9–11 days); estimated half-life 5.8–8.1 days. After multiple doses, mean IGF-I stayed above baseline up to 28 days, with evidence of cumulative effect. No serious adverse reactions; well tolerated at 30–60 μg/kg. CRITICAL FRAMING: the studied agent was the DAC-modified long-acting variant, which produces SUSTAINED (continuous) GH/IGF-I elevation. Vivre uses the No-DAC (Mod GRF 1-29) form, which has a ~30-minute half-life and produces PULSATILE GH release that better mimics physiology. This study supports the GH-axis mechanism but does not endorse continuous-elevation (DAC) dosing for longevity use.

View on publisher
CJC-1295 pharmacology is reasonably well-characterised across both DAC and No-DAC variants; the Teichman 2006 human data is for the DAC form. Vivre uses only the No-DAC variant - for its pulsatile (rather than sustained) GH-release profile. The distinction matters clinically: the DAC form binds albumin (~7–8 day half-life) and drives a continuous "GH bleed" - 24/7 GH/IGF-I elevation with no rest window - which raises the theoretical concerns around insulin resistance and chronic IGF-1 exposure (see the GH/IGF-1 safety reference). Many longevity physicians avoid the DAC form for exactly this reason. The No-DAC form's brief (~30 min) pulses return to baseline between doses, more closely mimicking youthful physiologic secretion. CJC-1295 is on the WADA Prohibited List as a GH secretagogue.
Ipamorelin

Ipamorelin, the first selective growth hormone secretagogue

Raun K, Hansen BS, Johansen NL, et al. · 1998 · European Journal of Endocrinology 1998;139(5):552–561

Findings

Foundational preclinical and early clinical study establishing Ipamorelin's selectivity profile. In swine, no GH secretagogue tested affected FSH, LH, PRL, or TSH plasma levels - but GHRP-6 and GHRP-2 elevated ACTH and cortisol meaningfully, while Ipamorelin did not (even at doses 200-fold above the ED50 for GH release). This selectivity is the principal clinical reason Ipamorelin is preferred in modern GH-axis stacks over earlier GHRPs.

View on publisher

Ipamorelin, a new growth-hormone-releasing peptide, induces longitudinal bone growth in rats

Johansen PB, Segev Y, Landau D, Phillip M, Flyvbjerg A · 1999 · Growth Hormone & IGF Research 1999;9(2):106–113

Findings

Preclinical rat study examining downstream skeletal effects of Ipamorelin-driven GH release. Demonstrated dose-dependent increases in longitudinal bone growth via the GH/IGF-1 axis. Important methodology framing: rat model with pre-pubertal skeletal growth - does not translate directly to adult human use, but supports the IGF-1 elevation mechanism that anchors body-composition and recovery applications.

View on publisher
Ipamorelin's selectivity profile is reasonably well-characterised (Raun 1998 swine model documented selective GH release without ACTH, cortisol, or prolactin elevation). Larger long-term outcome data in healthy adults remain limited - the human PK/PD studies are small (n<20) and there is no published large-cohort weight-loss or body-composition RCT. Important regulatory note: Ipamorelin is on the World Anti-Doping Agency (WADA) Prohibited List as a growth hormone secretagogue. Competitive athletes subject to drug testing should not use Ipamorelin - the metabolite is detectable in urine for at least 20 hours post-administration. Use at Vivre is within physician-supervised protocols with defined monitoring.
Studies cited are real peer-reviewed publications. Summaries reflect what each source actually concluded. Educational only - not medical advice, a prescription, or a dosing instruction.
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Variant
Cutting / Recomposition Add-on - Tesamorelin
For patients whose specific clinical goal is reduction of central or visceral adipose tissue, a physician may add Tesamorelin to the V-G1 base. Tesamorelin is the only GH-axis compound with a regulatory-approved indication for visceral fat reduction (HIV-associated lipodystrophy), supported by a Phase 3 randomized controlled trial in the New England Journal of Medicine demonstrating selective visceral adipose reduction over 26 weeks versus placebo, with improved dyslipidaemia and no significant glycaemic worsening (Falutz et al., NEJM 2007;357:2359–2370). Its use in healthy adults for central composition is off-label, and that off-label status is part of the supervised consent conversation.
When the variant is the right tool
The clinical case for adding Tesamorelin is not "more GHRH effect" - its mechanism overlaps with CJC-1295 - but its specific, trial-evidenced selectivity for visceral adipose tissue. The V-G1 base is appropriate for general supervised composition and recovery optimization; the variant is appropriate when visceral fat reduction is the specific clinical objective. A patient with elevated waist circumference, central adiposity flagged on metabolic screening, or hepatic-fat indicators is more clearly indicated for the variant than a patient pursuing general recovery and IGF-1 trend management. The variant remains a daily pre-sleep injection protocol, so the administration rhythm patients learn on the V-G1 base does not change when it is added.
Additional MarkerWhy It's AddedCadence
Waist circumference / visceral metricTesamorelin's primary clinical outcome - central/visceral fatBaseline + wk 6, 12
Lipid panel (full fractions)Visceral fat mobilization affects lipid handlingWk 6, 12
Fasting glucose + HbA1cAlready in V-G1 base; tracked more closely with two GHRH analogues activeMore frequent than base - physician set
ALT / ASTHepatic surveillance when visceral fat is mobilizing rapidlyWk 6, 12
IGF-1 (already in V-G1)Closer attention - two GHRH analogues + ghrelin agonist will push IGF-1 higherSame cadence as base, with tighter upper-bound monitoring
Honest framing - read this
Adding Tesamorelin to a healthy-adult composition protocol is off-label. Its evidence base is in HIV-associated lipodystrophy. Stacking two GHRH analogues with a ghrelin agonist amplifies IGF-1 more aggressively than the base V-G1, which means tighter monitoring and stricter contraindication screening - not less. The variant is for the cutting/recomposition indication, not for "harder is better." A physician determines whether the variant is appropriate; it is not selectable by the patient.
The variant is discussed in consultation. It is a meaningful uplift on the V-G1 base - Tesamorelin\'s acquisition cost is materially higher than the No-DAC GHRH analogue used in the base stack, and the protocol carries additional biomarker monitoring (waist/visceral metric, full lipid fractions, hepatic enzymes, tighter IGF-1 surveillance). Both factors are reflected in the variant pricing. Allocation requires the same physician review and consent process as the V-G1 base, with the off-label indication explicitly documented.
A note on stack design: the V-G1 base intentionally uses CJC-1295 without DAC. The DAC-modified variant of CJC-1295 produces sustained, non-pulsatile GH elevation that is associated in clinical literature with greater rates of fluid retention and joint discomfort - outcomes Vivre actively designs against. The No-DAC base preserves the body\'s natural pulsatile GH pattern, which is the physiologically cleaner profile both for the base stack and as the foundation onto which the Tesamorelin variant is added. We do not offer the CJC-with-DAC version as an option in either configuration.
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Frequently Asked
Common Questions About V-G1
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