ARA 290 vs HCG (Human Chorionic Gonadotropin)
Updated September 21, 2026 · Reviewed by the PeptidesDB Editorial team
A data-driven comparison of ARA 290 and HCG (Human Chorionic Gonadotropin) (also searched as HCG (Human Chorionic Gonadotropin) vs ARA 290) — effect profiles, evidence, side effects, and which suits weight loss, muscle, or healing goals.
Verdict
ARA 290 centers on neuro, while HCG (Human Chorionic Gonadotropin) leans toward healing. On indexed research, HCG (Human Chorionic Gonadotropin) is ahead (ARA 290: 33 studies, Human evidence; HCG (Human Chorionic Gonadotropin): 45, Human clinical). Choose by goal — and read the primary studies. This is research information, not medical advice.
Key takeaways
- •ARA 290 is strongest for neuro; HCG (Human Chorionic Gonadotropin) for healing.
- •Evidence: ARA 290 Human evidence (33 studies) vs HCG (Human Chorionic Gonadotropin) Human clinical (45).
- •Check the FDA-approval status chips above before assuming a legal use pathway.
Effect profiles, overlaid
At a glance
Neuroprotection | Nerve regeneration
LH receptor agonist | Fertility support
ARA 290 vs HCG (Human Chorionic Gonadotropin): side-by-side
| Metric | ARA 290 | HCG (Human Chorionic Gonadotropin) |
|---|---|---|
| Class | Neuro | Healing |
| Regulatory status | Research use only | FDA-approved |
| Evidence grade | Human evidence | Human clinical |
| Studies indexed | 33 | 45 |
| Research level | Preclinical | FDA Approved |
| Strongest effect | Neuro & mood | Healing & recovery |
| Healing & recovery | 4.0▲ | 3.0 |
| Muscle & body comp | 0.0 | 1.0▲ |
| Metabolic & appetite | 2.0▲ | 2.0▲ |
| Neuro & mood | 5.0▲ | 0.0 |
| Sleep & circadian | 0.0 | 0.0 |
| Inflammation & immune | 3.0▲ | 0.0 |
| Skin & aesthetics | 0.0 | 1.0▲ |
▲ marks the higher AI-assigned effect score (0–5, describing where the literature concentrates — not clinical efficacy).
Mechanism & pharmacokinetics
| Property | ARA 290 | HCG (Human Chorionic Gonadotropin) |
|---|---|---|
| Mechanism | Modulates macrophage activity and promotes anti-inflammatory cytokine release | LH receptor agonist |
| Route | Subcutaneous injection | Subcutaneous injection |
| Half-life | — | ~24 hours |
| Time to peak | — | 6–24 hours |
| Duration of action | — | Varies |
Established pharmacology — curated for well-characterized compounds and AI-summarized otherwise. A blank (—) means no reliable single value is published (half-life figures for some peptides genuinely disagree across sources). Verify against primary sources such as FDA labels and ClinicalTrials.gov.
What is ARA 290?
ARA 290, also known as a peptide derived from the erythropoietin (EPO) molecule, has garnered attention for its potential therapeutic applications, particularly in the context of nerve regeneration and protection. The peptide is designed to mimic some of the beneficial effects of EPO without eliciting the same erythropoietic activity, which can lead to unwanted side effects such as increased blood viscosity and hypertension.
Full ARA 290 profile, mechanism & studies →What is HCG (Human Chorionic Gonadotropin)?
HCG (Human Chorionic Gonadotropin) is a glycoprotein hormone produced by the placenta during pregnancy. It is structurally similar to luteinizing hormone (LH) and plays a crucial role in regulating reproductive processes in both men and women. HCG is primarily used in clinical settings to stimulate endogenous testosterone production in men with hypogonadism and to support fertility treatments in women, particularly in assisted reproductive technologies such as in vitro fertilization (IVF).
Full HCG (Human Chorionic Gonadotropin) profile, mechanism & studies →Which is better for your goal?
| Goal | Better fit | Why |
|---|---|---|
| Healing | ARA 290 | 4.0/5 effect signal |
| Muscle | HCG (Human Chorionic Gonadotropin) | 1.0/5 effect signal |
| Metabolic | Even | Both ~2.0/5 |
| Neuro | ARA 290 | 5.0/5 effect signal |
| Inflammation | ARA 290 | 3.0/5 effect signal |
| Skin | HCG (Human Chorionic Gonadotropin) | 1.0/5 effect signal |
Fit reflects community-perceived effect profiles — not head-to-head trials. Read each peptide's studies before deciding.
Can you stack ARA 290 and HCG (Human Chorionic Gonadotropin)?
People sometimes combine peptides that target different pathways, but there is little controlled research on this specific pairing and the interactions aren't well characterized. Because at least one is a research-use compound, we don't publish stacking or dosing protocols here. Any combination should be discussed with a qualified clinician.
ARA 290 vs HCG (Human Chorionic Gonadotropin): side effects
No community-reported effects logged yet.
No community-reported effects logged yet.
Anonymous community reports (count = number of reports), not clinical incidence rates.
What the research says
ARA 290 has 33 approved studies indexed (Human evidence), and HCG (Human Chorionic Gonadotropin) has 45 (Human clinical). The Librarian re-checks PubMed, Europe PMC and ClinicalTrials daily, so these counts move. Open each profile to read the summaries and sources.
Frequently asked questions
Is ARA 290 or HCG (Human Chorionic Gonadotropin) better?
It depends on your goal. ARA 290 is strongest for neuro; HCG (Human Chorionic Gonadotropin) for healing. HCG (Human Chorionic Gonadotropin) has more indexed studies (45). See the goal-by-goal breakdown above.
Is ARA 290 or HCG (Human Chorionic Gonadotropin) better for weight loss?
They score similarly on the metabolic/appetite axis in the community data.
Is ARA 290 or HCG (Human Chorionic Gonadotropin) better for muscle?
HCG (Human Chorionic Gonadotropin) leads on the muscle & body-composition axis (1.0/5).
Which has more research, ARA 290 or HCG (Human Chorionic Gonadotropin)?
ARA 290 has 33 approved studies indexed (Human evidence); HCG (Human Chorionic Gonadotropin) has 45 (Human clinical). Higher counts mean more to read, not proven superiority.
Can you stack ARA 290 and HCG (Human Chorionic Gonadotropin)?
Some users combine peptides, but there's little controlled data on this specific pairing, and interactions aren't well characterized. We don't publish stacking protocols for compounds that aren't FDA-approved. Discuss any combination with a qualified clinician.
What are the side effects of ARA 290 vs HCG (Human Chorionic Gonadotropin)?
ARA 290: no community-reported effects logged yet. HCG (Human Chorionic Gonadotropin): none logged yet. These are anonymous reports, not incidence rates — see each profile.
Is ARA 290 or HCG (Human Chorionic Gonadotropin) FDA-approved?
ARA 290 is a research-use compound and is not FDA-approved. HCG (Human Chorionic Gonadotropin) is FDA-approved. Research-use status is not a legal clearance to compound or use in humans.
Is HCG (Human Chorionic Gonadotropin) better than ARA 290?
For healing, HCG (Human Chorionic Gonadotropin) has the edge; for neuro, ARA 290 does. Neither is universally "better" — it's goal-dependent, and both should be weighed against their evidence base above.
Comparing related peptides
Regulatory & legal status
Approval status varies (see the chips at the top). FDA approval and compounding rules for peptides change frequently, and research-use status is not a legal clearance for human use. The FDA does not review compounded drugs for safety, effectiveness, or quality. Verify current status with primary sources before acting. Last reviewed September 21, 2026.