Peptide Decoding

Royal Peptides

Updated Oct 31, 2026

01At a glance

3 of 5

Named lab · Lot COA · HPLC · Mass spec · Outside tested

Accessible

Two other sites use this name

The real store is royal-peptides.com. royalpeptideslab.com and royalpeptidelabs.com are different businesses.

FDA warning letter, August 24 2026

The letter cites tirzepatide, semaglutide, retatrutide, SS-31, PT-141, tesamorelin and a tesamorelin blend as unapproved new drugs. A letter does not mean a seller is dishonest or that its products are bad. Read more ↗

02Testing

Janoshik

Its certificate archive returns no records for any compound, strength or batch identifier, so none is currently viewable.

The home page carries a Janoshik Verified badge

Purity.

Its FAQ says verification may include approaches such as HPLC and mass spectrometry, depending on the batch and the documentation available

Independent test results on Finnrick ↗ · Aug 25, 2026

03Prices

Prices run 3% below the median.

44 comparable compound and size pairs

0%
Sep 12, 2026Oct 31, 2026

11% above market on Sep 12, 2026, 3% below on Oct 31, 2026.

Carries 51 of our compounds (184 listings)

92% of listings in stock; prices checked 31 Oct 2026

CompoundLead sizeStore $/mgMarket median $/mgDifference
Retatrutide10 mg$6.00$7.95-24%
Tirzepatide10 mg$4.00$7.00-43%
SLU-PP-3325 mgNot comparable$13.40Not comparable
BPC-15710 mg$5.50$5.500%
GHK-Cu50 mgNot comparable$0.80Not comparable
Semaglutide10 mg$5.20$6.90-25%
Tesamorelin10 mg$7.50$7.401%
5-Amino-1MQ50 mg$1.60$1.600%
Eloralintide10 mg$43.50$15.90174%
Ipamorelin10 mg$6.50$5.5018%
MOTS-c10 mg$6.00$5.0020%
NAD+500 mgNot comparable$0.14Not comparable
SS-31 (Elamipretide)10 mg$6.50$5.1027%
Tesofensine0.5 mgNot comparableNot comparableNot comparable
AHK-Cu100 mgNot comparable$0.59Not comparable
AOD-96045 mgNot comparable$9.80Not comparable
ARA-290 (Cibinetide)10 mgNot comparable$5.00Not comparable
BAM1510 mgNot comparableNot comparableNot comparable
BPC-157 + TB-50020 mg$4.25$4.70-10%
Glutathione1500 mg$0.04$0.05-20%
HGH (Somatropin)Not comparableNot comparableNot comparableNot comparable
IGF-1 LR31 mgNot comparable$71.00Not comparable
Ipamorelin + CJC-1295 (no DAC) blend10 mgNot comparable$6.00Not comparable
KPV10 mg$5.50$5.206%
Lipo-C (MIC blend)216 mgNot comparableNot comparableNot comparable
MK-677 (Ibutamoren)Not comparableNot comparableNot comparableNot comparable
Oxytocin10 mg$7.00$5.2035%
Pinealon10 mg$39.00$4.70730%
PT-141 (Bremelanotide)10 mg$5.00$4.3016%
Selank10 mg$6.50$4.5044%
Semax10 mg$6.50$4.5044%
Sermorelin10 mg$6.50$6.90-6%
TB-500 / Thymosin Beta-410 mg$7.00$6.409%
Tesamorelin + Ipamorelin blend13 mgNot comparable$7.69Not comparable
Thymosin Alpha-110 mgNot comparable$7.00Not comparable
Vesugen20 mg$3.40$3.0013%
VIP (Vasoactive Intestinal Peptide)10 mg$46.50$6.80584%
Vitamin B1210 mgNot comparable$5.50Not comparable

04Vendor Watch

fda_warning_letter · FDA CDER

Royal Peptides LLC

FDA warning letter 734884, issued 24 Aug 2026, posted to the FDA index 1 Sep 2026. Read the letter
The FDA index shows no response letter and no closeout letter, checked 1 Nov 2026.
Products the letter names: Tirzepatide, Semaglutide, Retatrutide, SS-31 (Elamipretide), PT-141, Tesamorelin, BIMORELIN.

Website reviewed July 2026 per the letter. Royal Peptides is a disclosed affiliate partner; the vendor row's fda_letters field is empty as of the 22 Sep vendors.json and must be filled. Already a regulatory record in research_records (FDA-WL-2026-08-24-ROYAL-PEPTIDES). BIMORELIN is not in the compound library.

read_at_source · Read Sep 23, 2026

Site answered Nov 1, 2026

05Company and payment

How you can pay

Accepts credit cards: No

Bank transfer, crypto and other options shown at checkout (current terms); the footer links a CashApp guide. The February 2025 terms listed Zelle, Chime, Wise, crypto and PayPal Friends & Family (B2B only) and said no credit cards; a reviewer reported getting a card payment link from support on request

Who's behind it

None listed

Text 520-580-4100

2023 (per its About page)

Ships from USA and Canada warehouses (site name: Royal Peptides USA Canada); keeps an 'official website verification' page. royalpeptideslab.com and royalpeptidelabs.com (Royal Peptide Labs, 1-833-487-2737) are different stores. FDA warning letter 734884 (August 24, 2026, posted September 1) to Royal Peptides LLC, 2310 SE 2nd St Ste 7, Boynton Beach, FL 33435, after a July 2026 review of royal-peptides.com; it cites tirzepatide, semaglutide, retatrutide, SS-31, PT-141, tesamorelin and a tesamorelin blend as unapproved new drugs

06Dates

Prices last read
Oct 31, 2026
Profile last reviewed
Oct 19, 2026
Slice generated
Nov 2, 2026