Side-by-side · Research reference

5-Amino-1MQvsAHK-Cu

Side-by-side comparison across mechanism, dosage, evidence, side effects, administration, and stack synergies. Citations on every claim where available.

AAnimal-StrongAUTO-DRAFTED8/38 cited

BAnimal-MechanisticHUMAN-REVIEWED14/43 cited

5-Amino-1MQ

NNMT inhibitor · Methylation / SAM modulation

100–200 mgDaily dose (oral)Neelakantan 2018

AnimalEvidence levelNeelakantan 2018

HoursHalf-life (est)

Oral · Once daily fasted

AHK-Cu

Tripeptide-Copper Complex · Cosmetic

10⁻¹² – 10⁻⁹ MActive range (in vitro)Pyo 2007

Dermal papilla cellsPrimary targetPyo 2007

TopicalRoute

Topical · Scalp / Skin

01Mechanism of Action

Parameter

5-Amino-1MQ

AHK-Cu

Primary target

Nicotinamide N-methyltransferase (NNMT)Neelakantan 2018

Dermal papilla cells (DPCs) — specialized fibroblasts in hair follicle morphogenesisPyo 2007

Pathway

NNMT inhibition → preserved cellular SAM + NAD⁺ → restored methylation balance + ↑ thermogenic gene expressionNeelakantan 2018

AHK-Cu → DPC proliferation → VEGF elevation, TGF-β1 suppression → Angiogenesis, follicle elongationPyo 2007

Downstream effect

Reversal of HFD-induced obesity in murine models; improved metabolic profileNeelakantan 2018

Stimulates hair follicle elongation ex vivo, reduces dermal papilla cell apoptosis, elevates Bcl-2/Bax ratio, reduces cleaved caspase-3 and PARPPyo 2007

Feedback intact?

—

Origin

Selective small-molecule inhibitor designed in academic medicinal chemistry programsNeelakantan 2018

Synthetic tripeptide with Cu²⁺ chelation — alanine substitution variant of GHK-Cu

Antibody development

—

02Dosage Protocols

Parameter

5-Amino-1MQ

AHK-Cu

Standard dose

100–200 mg / day oralNeelakantan 2018

Anecdotal community range; murine doses scaled.

—

Frequency

Once daily, fasted

Once or twice daily (topical application)

Lower / starter dose

50 mg / day

—

Evidence basis

Animal-strong; no human RCT dataNeelakantan 2018

Ex vivo hair follicle / in vitro DPC studiesPyo 2007

Duration

8–12 weeks per cycle

Not established — cosmetic protocols typically 8–12 weeks

Form

Oral capsule

—

Timing

Morning fasted preferred

—

Half-life

Hours (estimated; no human PK published)

—

Effective concentration (in vitro)

—

10⁻¹² – 10⁻⁹ MPyo 2007

Stimulated human hair follicle elongation ex vivo and DPC proliferation in vitro.

Topical formulation

—

0.001–0.01% (estimated cosmetic range)

No standardized human protocol published — extrapolated from in vitro data.

Route

—

Topical — scalp or dermal application

04Side Effects & Safety

Parameter

5-Amino-1MQ

AHK-Cu

GI symptoms

Mild nausea (anecdotal)

—

Methylation disruption

Theoretical risk if NNMT is over-inhibited (B vitamin metabolism)

—

Long-term safety

Unknown — no human trials

—

Cancer risk

Unclear — NNMT also studied in oncology contexts

—

Pregnancy / OB

Avoid

—

Drug interactions

Theoretical with niacin / B-vitamin supplements

—

Local irritation

—

Mild erythema, pruritus at application site (copper peptide class effect)

Copper sensitivity

—

Rare hypersensitivity reaction in copper-sensitive individuals

Systemic absorption

—

Minimal via topical route — systemic copper toxicity unlikely at cosmetic doses

Data limitations

—

No published human safety trials — cosmetic use presumed safe per class precedent (GHK-Cu)

Absolute Contraindications

5-Amino-1MQ

·Pregnancy / breastfeeding
·Active malignancy

AHK-Cu

·Known copper allergy or Wilson's disease

Relative Contraindications

5-Amino-1MQ

·Methylation-sensitive conditions (MTHFR mutation)
·Concurrent niacin / NAD+ precursor supplementation (theoretical interference)

AHK-Cu

·Broken or inflamed skin (increased absorption risk)
·Concurrent use of other copper-containing formulations

05Administration Protocol

Parameter

5-Amino-1MQ

AHK-Cu

1. Form

Oral capsule. No injection.

Apply to clean, dry scalp or target dermal area. Typical cosmetic formulations: 0.001–0.01% AHK-Cu in serum or cream base.

2. Administration

Take with water, fasted preferred.

Once or twice daily. Evening application preferred for overnight contact time.

3. Timing

Morning fasted.

For hair growth: apply directly to scalp, massage gently. No need to rinse. Allow absorption for minimum 2–4 hours.

4. Storage

Room temp ≤25 °C, dry place.

Room temperature, protected from light. Copper complexes may degrade in UV exposure.

5. Caveat

Monitor B-vitamin status with chronic use.

Minimum 8–12 weeks to assess efficacy in hair growth applications, per typical cosmetic peptide protocols.

06Stack Synergy

5-Amino-1MQ

— no documented stacks

AHK-Cu

+ GHK-Cu

Moderate

View GHK-Cu →

Both tripeptide-copper complexes share overlapping angiogenic and wound-healing mechanisms (VEGF elevation, TGF-β modulation, fibroblast proliferation). AHK-Cu's alanine substitution may offer distinct receptor affinity or pharmacokinetics. Co-formulation could provide complementary dermal signaling, though no direct synergy studies exist. Often used interchangeably or in alternating protocols.

AHK-Cu: 0.001–0.01% topical · AM
GHK-Cu: 0.001–0.01% topical · PM
Frequency: Daily alternation or combined formulation
Primary benefit: Comprehensive dermal regeneration, angiogenesis, hair follicle support