Peptide Referee

Risynth Bio review: is it legit?

Live Transparency score 47/100* Checked Oct 15, 2026. Visit risynthbio.com

Our findings in brief

In short: Risynth Bio scores 47/100 on the 5 of 6 checks we could complete, higher than 47% of the 192 active vendors we track. It isn't ranked until all six checks are complete (5 of 6 so far).

We haven't lab-tested anything from Risynth Bio, so this covers public evidence only, not product quality. As of Oct 15, 2026:

What checks out

What's missing or unverified

Across 23 peptides that at least three vendors sell, its best prices are typically 40% above the median (1 of 23 below). Compare its prices.

At a glance

Website
risynthbio.com
Status
Live
Domain registered
May 19, 2025 (16 months ago)
Registrar
Automattic Inc.
Domain expires
May 19, 2027
First archived
Jul 13, 2025
Shop platform
WooCommerce
Ships to (stated)
US
Payment (stated)
Not stated
COAs
Generic COAs only (Chromate, Finnrick, Kovera Labs)
Research-use disclaimer
Yes
Traffic rank (Tranco)
Outside the top 1 million

Transparency checks

Six checks of public information, worth 100 points. The score measures openness, not product quality. How we score.

CheckWhat we foundPointsEvidence
Domain age Registered May 19, 2025 (16 months old) 10/20 Registry record
Public certificates of analysis Only generic or sample COAs are public 12/25 COA page
Independent lab named on COAs Lab named: Chromate, Finnrick, Kovera Labs 10/10 COAs
Business identity No company name or address found 0/15 —
Shipping, refund and terms pages All three found 15/15 Shipping · Refund · Terms
Card or PayPal payment (buyer protection) Payment methods not stated publicly 0/15 —

Total: 47/100. One check couldn't be completed and scores 0 until we can verify it.

Risynth Bio prices compared

The lowest price per milligram at Risynth Bio for each peptide, against the median listing across all vendors we track. Rank 1 = cheapest vendor for that peptide.

Peptide Risynth Bio $/mg Median $/mg vs median Price rank
GHK-Cu $0.750/mg $0.590/mg +27% 69th of 91
BPC-157 $8.00/mg $5.28/mg +52% 72nd of 82
Tesamorelin $10.00/mg $6.62/mg +51% 72nd of 78
TB-500 $8.00/mg $6.17/mg +30% 60th of 80
Ipamorelin $8.50/mg $5.42/mg +57% 68th of 77
NAD+ $0.155/mg $0.100/mg +55% 56th of 70
MOTS-c $3.75/mg $3.45/mg +9% 52nd of 81
Semax $5.00/mg $3.58/mg +40% 44th of 57
KPV $7.50/mg $4.60/mg +63% 63rd of 67
SS-31 (elamipretide) $4.90/mg $3.55/mg +38% 33rd of 47
Selank $5.00/mg $3.98/mg +26% 42nd of 57
Epitalon $3.30/mg $3.00/mg +10% 49th of 75
Glutathione $0.053/mg $0.047/mg +14% 37th of 57
AOD-9604 $8.00/mg $8.80/mg −9% 25th of 56
Kisspeptin-10 $10.00/mg $5.28/mg +89% 46th of 49
Thymosin Alpha-1 $18.00/mg $6.50/mg +177% 61st of 61
Oxytocin $15.00/mg $6.16/mg +144% 36th of 36
GHRP-6 $5.50/mg $4.60/mg +20% 18th of 23
IGF-1 LR3 $125.00/mg $70.80/mg +77% 48th of 51
CJC-1295 + Ipamorelin blend $12.00/mg $5.20/mg +131% 47th of 47
GHRP-2 $5.50/mg $4.60/mg +20% 19th of 23
5-Amino-1MQ $2.90/mg $2.90/mg at the median 37th of 57
Cagrilintide + Semaglutide blend $14.00/mg $8.90/mg +57% 5th of 5

Price index: 1.40 (1.00 = market median; lower is cheaper), across 23 peptides sold by 3+ vendors.

All 44 Risynth Bio listings, with sizes and prices
Peptide Product Size Price $/mg vs median Stock Vendor's page
5-Amino-1MQ 5‑Amino‑1MQ 50 mg $145 $2.90/mg median In stock View
AOD-9604 AOD‑9604 10 mg $80 $8.00/mg −9% In stock View
AOD-9604 AOD‑9604 5 mg $45 $9.00/mg +2% In stock View
BPC-157 BPC 157 10 mg $80 $8.00/mg +52% In stock View
BPC-157 BPC 157 5 mg $40 $8.00/mg +52% In stock View
Cagrilintide + Semaglutide blend CAGRI 5MG & SEMA 5MG 10 mg $140 $14.00/mg +57% In stock View
CJC-1295 + Ipamorelin blend CJC 1295 W/O DAC 5MG + IPA 5MG 10 mg $120 $12.00/mg +131% In stock View
Epitalon EPITALON 50 mg $165 $3.30/mg +10% In stock View
Epitalon EPITALON 10 mg $50 $5.00/mg +67% In stock View
GHK-Cu GHK-Cu 100 mg $75 $0.750/mg +27% In stock View
GHK-Cu GHK-Cu 50 mg $45 $0.900/mg +53% In stock View
GHRP-2 GHRP-2 ACETATE 10 mg $55 $5.50/mg +20% In stock View
GHRP-2 GHRP-2 ACETATE 5 mg $35 $7.00/mg +52% In stock View
GHRP-6 GHRP-6 ACETATE 10 mg $55 $5.50/mg +20% In stock View
GHRP-6 GHRP-6 ACETATE 5 mg $35 $7.00/mg +52% In stock View
Glutathione GLUTATHIONE 1500 mg $80 $0.053/mg +14% In stock View
Glutathione GLUTATHIONE 600 mg $40 $0.067/mg +43% In stock View
IGF-1 LR3 IGF-1 LR3 1 mg $125 $125.00/mg +77% In stock View
Ipamorelin Ipamorelin 10 mg $85 $8.50/mg +57% In stock View
Ipamorelin Ipamorelin 5 mg $50 $10.00/mg +85% In stock View
Ipamorelin Ipamorelin 2 mg $30 $15.00/mg +177% In stock View
Kisspeptin-10 Kisspeptin-10 10 mg $100 $10.00/mg +89% In stock View
Kisspeptin-10 Kisspeptin-10 5 mg $60 $12.00/mg +127% In stock View
KPV KPV 10 mg $75 $7.50/mg +63% In stock View
MOTS-c MOTS‑c 40 mg $150 $3.75/mg +9% In stock View
MOTS-c MOTS‑c 10 mg $40 $4.00/mg +16% In stock View
NAD+ NAD+ 1000 mg $155 $0.155/mg +55% In stock View
NAD+ NAD+ 500 mg $80 $0.160/mg +60% In stock View
Oxytocin Oxytocin 5 mg $75 $15.00/mg +144% In stock View
Oxytocin Oxytocin 2 mg $45 $22.50/mg +265% In stock View
Selank Selank 10 mg $50 $5.00/mg +26% In stock View
Selank Selank 5 mg $30 $6.00/mg +51% In stock View
Semax Semax – 10 mg $50 $5.00/mg +40% In stock View
Semax Semax – 5 mg $30 $6.00/mg +68% In stock View
SS-31 (elamipretide) SS-31 50 mg $245 $4.90/mg +38% In stock View
SS-31 (elamipretide) SS-31 10 mg $105 $10.50/mg +196% In stock View
TB-500 TB-500 10 mg $80 $8.00/mg +30% In stock View
TB-500 TB-500 5 mg $55 $11.00/mg +78% In stock View
TB-500 TB-500 2 mg $30 $15.00/mg +143% Out of stock View
Tesamorelin Tesa 10 mg $100 $10.00/mg +51% In stock View
Tesamorelin Tesa 5 mg $75 $15.00/mg +127% In stock View
Tesamorelin Tesa 2 mg $30 $15.00/mg +127% In stock View
Thymosin Alpha-1 Thymosin Alpha-1 10 mg $180 $18.00/mg +177% In stock View
Thymosin Alpha-1 Thymosin Alpha-1 5 mg $105 $21.00/mg +223% In stock View

Prices come from each vendor's public product feed and were last fetched Oct 15, 2026. They exclude shipping and discounts. $/mg uses the labeled amount, not measured content. How we compare prices.

Alternatives to Risynth Bio

Live vendors selling the same peptides as Risynth Bio, ranked by transparency score. Payments from vendors never affect this order.

# Vendor Status Transparency Domain age COAs Ships to Prices tracked Lab tests
1 Pure Peptide Labs Live 90/100 12 months Batch COAs public US, worldwide 44 —
2 Peptidology Live 90/100 22 months Batch COAs public US 3 —
3 Eros Peptides Live 87/100 3.4 years Generic COAs only US 14 —
4 Nationwide Peptides Live 85/100 11 months Batch COAs public US 38 —
5 Mile High Compounds Live 85/100 15 months Batch COAs public US, worldwide 2 —

Is something wrong?

If you run Risynth Bio, or you have evidence that something here is out of date, email [email protected] with a link to the evidence. We re-check within five business days and log every change on our corrections page.

Evidence we used (15)