ZestyRat Research

Evidence score: 7.5/10

ZestyRat Research gets our 7.5/10 rating (Trusted), with 55 lab reports (COAs) on file. See how scores are calculated →

Visit ZestyRat Research ↗
Verified deal10% offVerified 10% off with code support10.ZestyRat Research coupon code & discount code →

How we scored ZestyRat Research

COA practices 40%8/10
Reputation 20%6/10
Transparency 20%7/10
Operations 20%8.5/10

The four factors average 7.5 by weight, which rounds to 7.5/10.

Direct answer

Is ZestyRat Research legit?

We rate ZestyRat Research 7.5/10. All 55 public Janoshik reports match report-specific records naming Zesty Rat and print identity/content results; 49 include purity. This verifies report authenticity and sample attribution, while purity remains a separate quality result: IGF-1 LR3 prints 90.618%, below our 95% review threshold. Forty-eight of 60 current price rows have exact product-strength matches, but no report identifies a current shipping lot. The reports show no endotoxin, sterility, heavy-metal, or fentanyl panels. Card checkout works and support 10 reduced a $34.99 BPC-157 item to $31.49. The formal shipping policy lists domestic delivery, while the homepage also mentions Canada; refund pages conflict on damage-reporting windows and monetary refunds. No substantial independent customer-review aggregate was established for the exact domain.

COA evidenceCOA quality 8/10COA verifiedAll 55 reports match specific Janoshik records naming Zesty Rat and print identity/content results; 49 include purity. Verification confirms report authenticity, while purity is a separate quality result: IGF-1 LR3 prints 90.618%, below our 95% review threshold. No current shipping lot is identified.

Testing lab: Janoshik

Evidence summary

ZestyRat Research COAs and evidence

The 55 Janoshik records verify the reports and submitted samples. Forty-eight current product-strength rows have exact product matches, but no report identifies the lot currently shipped; IGF-1 LR3 prints 90.618% purity, below our 95% review threshold, and other results also fall below the posted 99%+ claim.

A working card checkout and verified 10% fallback code support the 7.5/10 rating. The thin independent review record and conflicting shipping/returns terms are meaningful limits on a purchase decision.

01

ZestyRat Research COAs and product coverage

The complete current storefront has 54 product records. We inspected all 110 files in the site's public media listing and retained the 55 distinct product-linked Janoshik PDFs; the other media items are safety data sheets, one payment QR, and an SDS ZIP. All 55 QR task and unique-key paths led to specific Janoshik records naming Zesty Rat and printing identity/content results; 49 also print purity. Verified records establish report authenticity and sample attribution, not a passing quality result. IGF-1 LR3 prints 90.618% purity, below our 95% review threshold; other results also fall below the site's 99%+ marketing line. No reviewed file shows endotoxin, sterility, heavy-metal, or fentanyl testing. The reports print a blank or Unknown batch and do not establish the lot currently shipping. Fifty-two report records map to 48 distinct current compound-and-strength rows; five MOTS-c records all cover the same 10 mg row. Twelve of 60 price rows lack an exact certificate.

02

ZestyRat Research customer reviews

We searched exact-domain Trustpilot, Reddit/community discussions, and Finnrick on September 24, 2026. We found no substantial independent customer-review aggregate for zestyratresearch.com. Finnrick lists zero independent tests and no vendor rating. Anecdotal community posts and affiliate reviews are not a reliable sample of customer outcomes and do not count as independent laboratory verification.

03

ZestyRat Research checkout and shipping

The live checkout offered credit/debit card payment via NMI, with Visa, Mastercard, American Express, and Discover branding. A BPC-157 5 mg item was $34.99; support 10 applied a $3.50 merchandise discount and brought it to $31.49 before shipping. The formal shipping policy says next-business-day processing, USPS Priority or UPS, rates calculated at checkout, and destinations limited to the 50 states, Washington D.C., and U.S. territories. The homepage FAQ separately claims Canada and same-day dispatch before 3 p.m. Eastern, so the policy and FAQ disagree.

04

ZestyRat Research disclosures and returns

ZestyRat publishes a Grovetown, Georgia contact address and linked shipping, chargeback, returns, terms, and privacy pages. Its chargeback policy says shipped orders are final but allows case-by-case refunds or replacements and asks for damage photos within seven days; its separate Refund & Returns Policy says no monetary refunds and requires notice within 24 hours. These conflicting published terms limit confidence in the return process. The posted address identifies a contact location, not a verified laboratory or fulfillment facility.

Details

Payment methods
  • Credit/debit card via NMI
Shipping

The formal Shipping Policy says next-business-day processing and USPS Priority or UPS with rates calculated at checkout; it lists U.S. states and territories only. The homepage FAQ also mentions Canada and same-day dispatch, so confirm destination and timing at checkout. Posted refund pages disagree about damage-reporting windows and discretionary refunds.

In stock
55 products
Ships to
United States and U.S. territories (formal shipping policy)
Prices checked

Products (55)

55 products
PeptidePricePackageStock
BPC-1572-test panel COA verified Janoshik · Analysis date Jul 14, 2026$34.995mgIn stockView listing ↗
TB-5002-test panel COA verified Janoshik · Analysis date Jul 14, 2026$35.995mgIn stockView listing ↗
MOTS-c2-test panel COA verified Janoshik · Analysis date Jul 30, 2026$59.9910mgIn stockView listing ↗
MOTS-c2-test panel COA available Janoshik · Report strength 10mg · Analysis date Jul 30, 2026$79.9920mgIn stockView listing ↗
NAD+1-test panel COA verified Janoshik · Analysis date Jul 16, 2026$95.991000mgIn stockView listing ↗
Semax2-test panel COA verified Janoshik · Analysis date Jul 14, 2026$64.9910mgIn stockView listing ↗
Selank2-test panel COA verified Janoshik · Analysis date Jul 14, 2026$45.9910mgIn stockView listing ↗
CJC-1295 (With DAC)2-test panel COA verified Janoshik · Analysis date Jul 14, 2026$69.995mgIn stockView listing ↗
Tesamorelin2-test panel COA verified Janoshik · Analysis date Jul 14, 2026$49.995mgIn stockView listing ↗
Ipamorelin2-test panel COA verified Janoshik · Analysis date Aug 19, 2026$49.995mgIn stockView listing ↗
Melanotan-1 (MT-1)2-test panel COA verified Janoshik · Analysis date Aug 20, 2026$35.9910mgIn stockView listing ↗
Glutathione2-test panel COA verified Janoshik · Analysis date Jul 14, 2026$29.99600mgIn stockView listing ↗
GLP-1S2-test panel COA verified Janoshik · Analysis date Jul 30, 2026$79.9910mgIn stockView listing ↗
GLP-1S2-test panel COA verified Janoshik · Analysis date Jul 14, 2026$159.9920mgIn stockView listing ↗
GLP-1S2-test panel COA verified Janoshik · Analysis date Jul 14, 2026$219.9930mgIn stockView listing ↗
Cagrilintide2-test panel COA verified Janoshik · Analysis date Jul 14, 2026$99.9910mgIn stockView listing ↗
Sermorelin2-test panel COA verified Janoshik · Analysis date Jul 14, 2026$49.995mgIn stockView listing ↗
IGF-1 LR32-test panel COA verified Janoshik · Analysis date Aug 20, 2026$89.991mgIn stockView listing ↗
GHK-Cu (Copper Peptide)2-test panel COA verified Janoshik · Analysis date Aug 18, 2026$34.9950mgIn stockView listing ↗
Thymosin Alpha-1COA not available$69.995mgIn stockView listing ↗
GLOW1-test panel COA verified Janoshik · Analysis date Jul 14, 2026$99.9970mgIn stockView listing ↗
KLOW Protocol1-test panel COA verified Janoshik · Analysis date Jul 14, 2026$119.9980mgIn stockView listing ↗
Wolverine1-test panel COA verified Janoshik · Analysis date Jul 14, 2026$49.9910mgIn stockView listing ↗
AOD-96042-test panel COA verified Janoshik · Analysis date Jul 30, 2026$59.995mgIn stockView listing ↗
HGH 191AA (Somatropin)2-test panel COA verified Janoshik · Analysis date Jul 30, 2026$39.9910IUIn stockView listing ↗
HGH 191AA (Somatropin)2-test panel COA available Janoshik · Report strength 10iu · Analysis date Jul 30, 2026$49.9924IUIn stockView listing ↗
CJC-1295 (No DAC)2-test panel COA verified Janoshik · Analysis date Jul 14, 2026$54.995mgIn stockView listing ↗
GHRP-62-test panel COA verified Janoshik · Analysis date Jul 14, 2026$29.995mgIn stockView listing ↗
GHRP-22-test panel COA verified Janoshik · Analysis date Jul 14, 2026$29.995mgIn stockView listing ↗
Hexarelin2-test panel COA verified Janoshik · Analysis date Jul 14, 2026$55.995mgIn stockView listing ↗
MGF (Mechano Growth Factor)2-test panel COA verified Janoshik · Analysis date Aug 19, 2026$49.992mgIn stockView listing ↗
PEG-MGFCOA not available$69.992mgIn stockView listing ↗
CerebrolysinCOA not available$39.9960mgIn stockView listing ↗
Epithalon (Epitalon)2-test panel COA verified Janoshik · Analysis date Jul 14, 2026$39.9910mgIn stockView listing ↗
FOXO4-DRI2-test panel COA verified Janoshik · Analysis date Jul 14, 2026$149.9910mgIn stockView listing ↗
SS-31 (Elamipretide)COA not available$49.995mgIn stockView listing ↗
Melanotan-2 (MT-2)2-test panel COA verified Janoshik · Analysis date Jul 14, 2026$39.9910mgIn stockView listing ↗
OxytocinCOA not available$55.9910mgIn stockView listing ↗
PT-141 (Bremelanotide)2-test panel COA verified Janoshik · Analysis date Jul 14, 2026$59.9910mgIn stockView listing ↗
Kisspeptin-102-test panel COA verified Janoshik · Analysis date Jul 14, 2026$49.995mgIn stockView listing ↗
HCG (Human Chorionic Gonadotropin)1-test panel COA verified Janoshik · Analysis date Jul 15, 2026$59.995000IUIn stockView listing ↗
5-Amino-1MQCOA not available$39.995mgIn stockView listing ↗
5-Amino-1MQCOA not available$129.9950mgIn stockView listing ↗
AICAR1-test panel COA verified Janoshik · Analysis date Jul 15, 2026$39.9950mgIn stockView listing ↗
DSIP (Delta Sleep-Inducing Peptide)2-test panel COA verified Janoshik · Analysis date Jul 14, 2026$45.9910mgIn stockView listing ↗
KPV2-test panel COA verified Janoshik · Analysis date Jul 14, 2026$45.9910mgIn stockView listing ↗
Adipotide (FTPP)COA not available$99.995mgIn stockView listing ↗
LL-372-test panel COA verified Janoshik · Analysis date Jul 14, 2026$59.995mgIn stockView listing ↗
ARA-290 (Cibinetide)2-test panel COA verified Janoshik · Analysis date Jul 14, 2026$49.9910mgIn stockView listing ↗
VIP (Vasoactive Intestinal Peptide)2-test panel COA verified Janoshik · Analysis date Jul 14, 2026$79.9910mgIn stockView listing ↗
Thymalin2-test panel COA verified Janoshik · Analysis date Jul 14, 2026$49.9910mgIn stockView listing ↗
Pinealon2-test panel COA verified Janoshik · Analysis date Aug 20, 2026$39.9910mgIn stockView listing ↗
HMG (Human Menopausal Gonadotropin)COA not available$55.9975IUIn stockView listing ↗
Cartalax2-test panel COA verified Janoshik · Analysis date Aug 20, 2026$59.9520mgIn stockView listing ↗
CJC-1295 No DAC + IpamorelinCOA not available$75.9910mgIn stockView listing ↗
PeptidePrices community

ZestyRat Research customer reviews

Customer experience ratings · Separate from our editorial score.

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0 reviews for ZestyRat Research

Market prices collected

Market listing prices

Five cheapest in-stock package prices per compound across every tracked vendor — not just ZestyRat Research.

Cerebrolysin listing prices

31 collected days –

Lowest package price, with the next four cheapest as a bandLowest in-stock package total: 31 collected days, Oct 10, 2026 – Nov 9, 2026. The blue line is the lowest in-stock package total each collected day; the band is the next four cheapest.$0$25$50$75$100Oct 10, 2026: $32.54 lowest, $74.95 at the top of the fiveOct 11, 2026: $32.54 lowest, $61.20 at the top of the fiveOct 12, 2026: $32.54 lowest, $60.00 at the top of the fiveOct 13, 2026: $32.54 lowest, $59.99 at the top of the fiveOct 14, 2026: $32.54 lowest, $59.99 at the top of the fiveOct 15, 2026: $32.54 lowest, $59.99 at the top of the fiveOct 16, 2026: $32.54 lowest, $61.20 at the top of the fiveOct 17, 2026: $32.54 lowest, $60.00 at the top of the fiveOct 18, 2026: $32.54 lowest, $59.99 at the top of the fiveOct 19, 2026: $32.54 lowest, $59.99 at the top of the fiveOct 20, 2026: $32.54 lowest, $60.00 at the top of the fiveOct 21, 2026: $32.54 lowest, $60.00 at the top of the fiveOct 22, 2026: $32.54 lowest, $60.00 at the top of the fiveOct 23, 2026: $32.54 lowest, $60.00 at the top of the fiveOct 24, 2026: $32.54 lowest, $60.00 at the top of the fiveOct 25, 2026: $27.99 lowest, $59.99 at the top of the fiveOct 26, 2026: $27.99 lowest, $59.99 at the top of the fiveOct 27, 2026: $27.99 lowest, $60.00 at the top of the fiveOct 28, 2026: $27.99 lowest, $61.20 at the top of the fiveOct 29, 2026: $27.99 lowest, $60.00 at the top of the fiveOct 30, 2026: $27.99 lowest, $60.00 at the top of the fiveOct 31, 2026: $27.99 lowest, $61.20 at the top of the fiveNov 1, 2026: $27.99 lowest, $60.00 at the top of the fiveNov 2, 2026: $27.99 lowest, $60.00 at the top of the fiveNov 3, 2026: $27.60 lowest, $60.00 at the top of the fiveNov 4, 2026: $27.60 lowest, $61.20 at the top of the fiveNov 5, 2026: $27.60 lowest, $61.20 at the top of the fiveNov 6, 2026: $27.60 lowest, $60.00 at the top of the fiveNov 7, 2026: $27.45 lowest, $59.99 at the top of the fiveNov 8, 2026: $27.45 lowest, $59.99 at the top of the fiveNov 9, 2026: $27.99 lowest, $59.99 at the top of the five$27.99$59.99Oct 10, 2026Oct 20, 2026Oct 30, 2026Nov 9, 2026
Latest $27.99$32.37$48.34$49.00$59.99
31 collected days and prices
Cheapest in-stock listing prices by collected day
DateRank 1Rank 2Rank 3Rank 4Rank 5
$27.99$32.37$48.34$49.00$59.99
$27.45$27.99$48.34$49.00$59.99
$27.45$27.99$48.34$49.00$59.99
$27.60$27.99$49.00$59.99$60.00
$27.60$27.99$49.00$60.00$61.20
$27.60$27.99$49.00$60.00$61.20
$27.60$27.99$49.00$59.99$60.00
$27.99$32.54$49.00$59.99$60.00
$27.99$32.54$49.00$59.99$60.00
$27.99$32.54$49.00$60.00$61.20
$27.99$32.54$49.00$59.99$60.00
$27.99$32.54$49.00$59.99$60.00
$27.99$32.54$49.00$60.00$61.20
$27.99$32.54$39.99$49.00$60.00
$27.99$32.54$39.99$49.00$59.99
$27.99$32.54$39.99$49.00$59.99
$32.54$44.95$49.00$59.99$60.00
$32.54$44.95$49.00$59.99$60.00
$32.54$44.95$49.00$59.99$60.00
$32.54$44.95$49.00$59.99$60.00
$32.54$44.95$49.00$55.42$60.00
$32.54$44.95$49.00$55.46$59.99
$32.54$44.95$49.00$55.46$59.99
$32.54$44.95$49.00$55.46$60.00
$32.54$44.95$49.00$60.00$61.20
$32.54$44.95$49.00$55.80$59.99
$32.54$44.95$49.00$55.93$59.99
$32.54$44.95$49.00$55.80$59.99
$32.54$49.00$55.93$59.99$60.00
$32.54$49.00$55.93$60.00$61.20
$32.54$49.00$60.00$61.20$74.95

Vendors in the cheapest five

5 / 10
Vendors that appeared in the five cheapest listings, with collected days and the last top-five package price.
VendorDays in fiveLast top-five package
CertaPeptides 31$32.37 -0.5%
Athena Peptides 31$49.00
Eppix Labs 21$59.99
Axon Chems 21$60.00
Elite Science Labs 16$27.99

Top 5 of 10 vendors that reached the cheapest five

AICAR listing prices

31 collected days –

Lowest package price, with the next four cheapest as a bandLowest in-stock package total: 31 collected days, Oct 10, 2026 – Nov 9, 2026. The blue line is the lowest in-stock package total each collected day; the band is the next four cheapest.$20$40$60$80Oct 10, 2026: $25.99 lowest, $46.80 at the top of the fiveOct 11, 2026: $25.99 lowest, $46.80 at the top of the fiveOct 12, 2026: $25.99 lowest, $46.80 at the top of the fiveOct 13, 2026: $25.99 lowest, $46.80 at the top of the fiveOct 14, 2026: $25.99 lowest, $46.80 at the top of the fiveOct 15, 2026: $25.99 lowest, $49.99 at the top of the fiveOct 16, 2026: $25.99 lowest, $49.99 at the top of the fiveOct 17, 2026: $25.99 lowest, $49.99 at the top of the fiveOct 18, 2026: $25.99 lowest, $49.99 at the top of the fiveOct 19, 2026: $25.99 lowest, $46.80 at the top of the fiveOct 20, 2026: $25.99 lowest, $46.80 at the top of the fiveOct 21, 2026: $25.99 lowest, $46.80 at the top of the fiveOct 22, 2026: $25.99 lowest, $46.80 at the top of the fiveOct 23, 2026: $25.99 lowest, $46.80 at the top of the fiveOct 24, 2026: $25.99 lowest, $55.00 at the top of the fiveOct 25, 2026: $25.99 lowest, $49.99 at the top of the fiveOct 26, 2026: $25.99 lowest, $49.99 at the top of the fiveOct 27, 2026: $25.99 lowest, $49.99 at the top of the fiveOct 28, 2026: $25.99 lowest, $55.00 at the top of the fiveOct 29, 2026: $25.99 lowest, $55.00 at the top of the fiveOct 30, 2026: $25.99 lowest, $55.00 at the top of the fiveOct 31, 2026: $39.00 lowest, $55.85 at the top of the fiveNov 1, 2026: $39.00 lowest, $55.85 at the top of the fiveNov 2, 2026: $39.00 lowest, $55.85 at the top of the fiveNov 3, 2026: $39.00 lowest, $56.07 at the top of the fiveNov 4, 2026: $39.00 lowest, $55.88 at the top of the fiveNov 5, 2026: $39.00 lowest, $58.00 at the top of the fiveNov 6, 2026: $39.00 lowest, $58.00 at the top of the fiveNov 7, 2026: $39.00 lowest, $55.81 at the top of the fiveNov 8, 2026: $39.00 lowest, $55.81 at the top of the fiveNov 9, 2026: $39.00 lowest, $59.00 at the top of the five$39.00$59.00Oct 10, 2026Oct 20, 2026Oct 30, 2026Nov 9, 2026
Latest $39.00$46.21$55.81$57.00$59.00
31 collected days and prices
Cheapest in-stock listing prices by collected day
DateRank 1Rank 2Rank 3Rank 4Rank 5
$39.00$46.21$55.81$57.00$59.00
$39.00$46.21$49.99$55.00$55.81
$39.00$46.21$49.99$55.00$55.81
$39.00$46.80$55.00$56.11$58.00
$39.00$46.80$55.00$56.32$58.00
$39.00$46.80$49.99$55.00$55.88
$39.00$46.80$49.99$55.00$56.07
$39.00$46.80$49.99$55.00$55.85
$39.00$46.80$49.99$55.00$55.85
$39.00$46.80$49.99$55.00$55.85
$25.99$39.00$46.80$49.99$55.00
$25.99$39.00$46.80$49.99$55.00
$25.99$39.00$46.80$49.99$55.00
$25.99$39.00$46.74$46.80$49.99
$25.99$39.00$46.74$46.80$49.99
$25.99$39.00$46.74$46.80$49.99
$25.99$39.00$46.74$46.80$55.00
$25.99$35.00$39.00$46.74$46.80
$25.99$35.00$39.00$46.74$46.80
$25.99$35.00$39.00$46.74$46.80
$25.99$35.00$39.00$46.74$46.80
$25.99$35.00$39.00$46.74$46.80
$25.99$35.00$39.00$46.80$49.99
$25.99$35.00$39.00$46.80$49.99
$25.99$35.00$39.00$46.80$49.99
$25.99$39.00$40.00$46.80$49.99
$25.99$39.00$40.00$44.74$46.80
$25.99$39.00$40.00$44.71$46.80
$25.99$39.00$40.00$44.81$46.80
$25.99$39.00$40.00$44.81$46.80
$25.99$39.00$40.00$44.81$46.80

Vendors in the cheapest five

5 / 10
Vendors that appeared in the five cheapest listings, with collected days and the last top-five package price.
VendorDays in fiveLast top-five package
Peptide Giants 31$39.00
Pantheon Peptides 31$46.21 -1.3%
Studz Peptides 21$25.99
Disguised Alpha 17$49.99
Omega Peptides 15$55.81 +24.5%

Top 5 of 10 vendors that reached the cheapest five

BPC-157 listing prices

31 collected days –

Lowest package price, with the next four cheapest as a bandLowest in-stock package total: 31 collected days, Oct 10, 2026 – Nov 9, 2026. The blue line is the lowest in-stock package total each collected day; the band is the next four cheapest.$15$20$25Oct 10, 2026: $15.83 lowest, $19.99 at the top of the fiveOct 11, 2026: $15.83 lowest, $19.99 at the top of the fiveOct 12, 2026: $15.83 lowest, $19.99 at the top of the fiveOct 13, 2026: $15.83 lowest, $19.99 at the top of the fiveOct 14, 2026: $15.83 lowest, $19.99 at the top of the fiveOct 15, 2026: $15.99 lowest, $21.99 at the top of the fiveOct 16, 2026: $15.99 lowest, $21.99 at the top of the fiveOct 17, 2026: $15.99 lowest, $21.99 at the top of the fiveOct 18, 2026: $15.99 lowest, $21.99 at the top of the fiveOct 19, 2026: $15.99 lowest, $21.99 at the top of the fiveOct 20, 2026: $15.99 lowest, $21.99 at the top of the fiveOct 21, 2026: $15.99 lowest, $21.99 at the top of the fiveOct 22, 2026: $15.99 lowest, $21.99 at the top of the fiveOct 23, 2026: $15.99 lowest, $21.99 at the top of the fiveOct 24, 2026: $15.99 lowest, $21.99 at the top of the fiveOct 25, 2026: $15.83 lowest, $19.99 at the top of the fiveOct 26, 2026: $15.83 lowest, $19.99 at the top of the fiveOct 27, 2026: $15.83 lowest, $19.99 at the top of the fiveOct 28, 2026: $15.83 lowest, $19.99 at the top of the fiveOct 29, 2026: $15.83 lowest, $19.99 at the top of the fiveOct 30, 2026: $15.83 lowest, $19.99 at the top of the fiveOct 31, 2026: $15.83 lowest, $19.99 at the top of the fiveNov 1, 2026: $15.83 lowest, $19.99 at the top of the fiveNov 2, 2026: $15.83 lowest, $19.99 at the top of the fiveNov 3, 2026: $15.83 lowest, $19.06 at the top of the fiveNov 4, 2026: $15.83 lowest, $19.06 at the top of the fiveNov 5, 2026: $15.83 lowest, $18.69 at the top of the fiveNov 6, 2026: $15.83 lowest, $18.69 at the top of the fiveNov 7, 2026: $15.99 lowest, $18.96 at the top of the fiveNov 8, 2026: $15.99 lowest, $18.73 at the top of the fiveNov 9, 2026: $15.99 lowest, $18.73 at the top of the five$15.99$18.73Oct 10, 2026Oct 20, 2026Oct 30, 2026Nov 9, 2026
Latest $15.99$16.00$16.05$18.00$18.73
31 collected days and prices
Cheapest in-stock listing prices by collected day
DateRank 1Rank 2Rank 3Rank 4Rank 5
$15.99$16.00$16.05$18.00$18.73
$15.99$16.00$16.05$18.00$18.73
$15.99$16.05$18.00$18.73$18.96
$15.83$15.99$16.00$18.00$18.69
$15.83$15.99$16.00$18.00$18.69
$15.83$15.99$18.00$18.69$19.06
$15.83$15.99$18.00$18.69$19.06
$15.83$15.99$18.00$18.69$19.99
$15.83$15.99$18.00$18.69$19.99
$15.83$15.99$18.00$18.69$19.99
$15.83$15.99$18.00$18.69$19.99
$15.83$15.99$18.00$18.69$19.99
$15.83$15.99$18.00$18.69$19.99
$15.83$15.99$18.00$18.69$19.99
$15.83$15.99$18.00$18.69$19.99
$15.83$15.99$18.00$18.69$19.99
$15.99$18.00$18.69$19.99$21.99
$15.99$18.00$18.69$19.99$21.99
$15.99$18.00$18.69$19.99$21.99
$15.99$18.00$18.69$19.99$21.99
$15.99$18.00$18.69$19.99$21.99
$15.99$18.00$18.69$19.99$21.99
$15.99$18.00$18.69$19.99$21.99
$15.99$18.00$18.69$19.99$21.99
$15.99$18.00$18.69$19.99$21.99
$15.99$18.00$18.69$21.99$21.99
$15.83$15.99$18.00$18.69$19.99
$15.83$15.99$18.00$18.69$19.99
$15.83$15.99$18.69$19.82$19.99
$15.83$15.99$18.69$19.82$19.99
$15.83$15.99$18.69$19.82$19.99

Vendors in the cheapest five

5 / 10
Vendors that appeared in the five cheapest listings, with collected days and the last top-five package price.
VendorDays in fiveLast top-five package
MS Peptides 31$15.99
Pure Peptides UK 31$18.73 +0.2%
ResearchPeps 28$18.00
Peptide Giants 23$19.99
Corix Labs 21$16.05 +1.4%

Top 5 of 10 vendors that reached the cheapest five

Frequently asked questions

Is ZestyRat Research legit?
We rate ZestyRat Research 7.5/10. All 55 public Janoshik reports match report-specific records naming Zesty Rat and print identity/content results; 49 include purity. This verifies report authenticity and sample attribution, while purity remains a separate quality result: IGF-1 LR3 prints 90.618%, below our 95% review threshold. Forty-eight of 60 current price rows have exact product-strength matches, but no report identifies a current shipping lot. The reports show no endotoxin, sterility, heavy-metal, or fentanyl panels. Card checkout works and support 10 reduced a $34.99 BPC-157 item to $31.49. The formal shipping policy lists domestic delivery, while the homepage also mentions Canada; refund pages conflict on damage-reporting windows and monetary refunds. No substantial independent customer-review aggregate was established for the exact domain. Affiliate links never affect the score.
Does ZestyRat Research have a coupon code?
Code support10 gives customers 10% off. Use the PeptidePrices referral link on this page and confirm the discount at checkout.
Where does ZestyRat Research ship?
ZestyRat Research ships to United States and U.S. territories (formal shipping policy). The formal Shipping Policy says next-business-day processing and USPS Priority or UPS with rates calculated at checkout; it lists U.S. states and territories only. The homepage FAQ also mentions Canada and same-day dispatch, so confirm destination and timing at checkout. Posted refund pages disagree about damage-reporting windows and discretionary refunds.
Does ZestyRat Research publish COAs?
COA verified. All 55 reports match specific Janoshik records naming Zesty Rat and print identity/content results; 49 include purity. Verification confirms report authenticity, while purity is a separate quality result: IGF-1 LR3 prints 90.618%, below our 95% review threshold. No current shipping lot is identified.
What do customer reviews say about ZestyRat Research?
We could not find an established independent review profile for ZestyRat Research. The evidence summary on this page explains what we could and could not check.
What are alternatives to ZestyRat Research?
The public vendors closest to ZestyRat Research's 7.5/10 evidence score are Zerilyx (7.5/10), Alpha Carbon Labs (7.5/10), and Vistara Labs (7.5/10).
How many Zesty Rat Research COAs are verified?
All 55 public reports match specific Janoshik records naming Zesty Rat and print identity/content results; 49 include purity. Verification establishes report authenticity, while purity is a separate result. IGF-1 LR3 prints 90.618% purity, below our 95% review threshold. Forty-eight current rows have exact product-strength matches, but no current shipping lot is identified.
Does Zesty Rat Research have independent customer reviews?
No substantial independent exact-domain customer-review aggregate was found on September 24, 2026. Finnrick listed zero independent tests and no rating.
What is the working Zesty Rat Research discount code?
support 10 reduced a $34.99 BPC-157 5 mg item to $31.49 before shipping on September 24, 2026. The supplied peptideprices code returned 'does not exist' in the same cart.
Where does Zesty Rat Research ship?
Its formal Shipping Policy lists the United States and U.S. territories, with USPS Priority or UPS and next-business-day processing. The homepage FAQ also mentions Canada, which conflicts with the policy.
What do Zesty Rat Research COAs test?
All 55 reviewed Janoshik reports print identity/content results and 49 include purity. IGF-1 LR3 prints 90.618% purity, below our 95% review threshold. We found no reviewed endotoxin, sterility, heavy-metal, or fentanyl panel, and no current stock-lot chain.
What does the Zesty Rat IGF-1LR3 report show?
The retained Janoshik report prints 90.618% purity, below the 95% review threshold. That result is specific to the submitted sample.
Do Zesty Rat reports cover current stock lots and extended panels?
The 55 lab-confirmed reports do not identify current stocklots and no retained endotoxin, sterility, metals orfentanyl panel was established. Exact product/strength matches remain narrower than batch-chain confirmation.