The Peptide Directory

Costides

costides.us · Research-chemical vendor · Research peptides

Costides logo
Logo from costides.us, captured October 19, 2026. Shown for identification only.

Wholesale supplier selling research peptides only in 10-vial packs (22 compounds, 37 pack SKUs), priced per pack with volume discounts up to 15% and a Certificate of Analysis published for each released lot.

As of October 19, 2026, Costides publishes a public certificate-of-analysis (COA) or test-results page and its certificates name the issuing laboratory. We found no FDA warning letter naming it. We have not tested its products. FDA record.

COA / test page
Published
Labs named
Calvert Spectrometry, Biolumin Labs
FDA warning letter
None found
Listed $/mg
$0.56–$3.80
Catalog matched
20 compounds

Updated . Facts checked on Costides' own pages and fda.gov.

Quality & trust signals

What Costides' own pages say, with the page and the date we read it. Vendor claims are labeled as such; we have not independently tested products.

How it sells
Wholesale 10-vial packs: every listing is ten lyophilized vials of one compound at one strength under its own SKU, and one pack is the minimum order.
Costides — Wholesale peptidesChecked
Catalogue
22 compounds in 37 pack SKUs, e.g. Retatrutide in six strengths (RT5–RT50) and Tirzepatide in five (TR10–TR60).
Costides — Wholesale peptidesChecked
Pack pricing
Priced per 10-pack with the per-vial cost shown: Retatrutide 5 mg $165.00 ($16.50/vial), 10 mg $200.00, 20 mg $300.00, 30 mg $385.00, 40 mg $425.00, 50 mg $475.00.
Costides — Retatrutide 10-packChecked
Pack pricing
Tirzepatide 10 mg $185.00 ($18.50/vial), 20 mg $240.00, 30 mg $275.00, 40 mg $300.00, 60 mg $335.00 per 10-pack.
Costides — Tirzepatide 10-packChecked
Volume pricing
Applied automatically in the cart: 3–4 packs 5% off, 5–9 packs 10% off, 10 or more packs 15% off.
Costides — Wholesale peptidesChecked
Testing / COA page
Yes — a Certificate of Analysis is published for each released lot, and the lot number printed on every pack opens its certificate.
Costides — Certificates of AnalysisChecked
HPLC mentioned
Certificates report HPLC purity, e.g. “99.63% (HPLC-UV)” for tirzepatide lot CUS930-T20.
Costides — Certificates of AnalysisChecked
Mass spectrometry mentioned
Lot pages list the identity method, e.g. “Identity method LC-MS” (CUS930-T20).
Costides — COA lot pageChecked
Research-use-only notice
Yes — the site says: “Research Use Only. Not for human or veterinary use.” Buyers confirm research use at checkout.
Costides — homepageChecked
Shipping (vendor-stated)
“Costides ships to addresses in the United States only. Standard shipping is $15.00 per order, free on orders of $500.00 or more”; express $30, overnight $70.
Costides — ShippingChecked
Payment methods mentioned
Not listed on public pages (“Pay by one of the methods offered at checkout”).
Costides — Wholesale peptidesChecked
Returns (vendor-stated)
“Costides does not accept returns.” Damaged or lost items are replaced or refunded.
Costides — Return policyChecked
Contact
Phone (240) 649-9171 and a contact form.
Costides — ContactChecked
Regulatory status: FDA warning letter
None found naming Costides in FDA's warning-letter records.
FDA — warning lettersChecked

Costides prices per mg

Prices listed on Costides' own product pages on October 19, 2026, for the five compounds we track. Price per mg = listed price ÷ total mg (vials × mg per vial). Research use only.

Costides: verified listed prices
CompoundProductTotal mgPrice$/mgStock
BPC-157BPC-157 — BC10100$180.00$1.80Out of stock
RetatrutideRetatrutide 50 mg · 10-pack — RT50500$475.00$0.95Out of stock
RetatrutideRetatrutide 40 mg · 10-pack — RT40400$425.00$1.06Out of stock
RetatrutideRetatrutide 30 mg · 10-pack — RT30300$385.00$1.28In stock
RetatrutideRetatrutide 20 mg · 10-pack — RT20200$300.00$1.50In stock
RetatrutideRetatrutide 10 mg · 10-pack — RT10100$200.00$2.00In stock
RetatrutideRetatrutide 5 mg · 10-pack — RT550$165.00$3.30Out of stock
TB-500TB-500 — TB550$190.00$3.80Out of stock
TirzepatideTirzepatide 60 mg · 10-pack — TR60600$335.00$0.56Out of stock
TirzepatideTirzepatide 40 mg · 10-pack — TR40400$300.00$0.75Out of stock
TirzepatideTirzepatide 30 mg · 10-pack — TR30300$275.00$0.92Out of stock
TirzepatideTirzepatide 20 mg · 10-pack — TR20200$240.00$1.20In stock
TirzepatideTirzepatide 10 mg · 10-pack — TR10100$185.00$1.85Out of stock

Compare every vendor on the price comparison.

Compounds in Costides' catalog (20)

Products in Costides' public catalog on October 19, 2026 that we matched to a compound profile. Listing is not verification of identity or purity.

AOD-9604BPC-157BPC-157 + TB-500 blendCJC-1295 + ipamorelinEpithalonGHK-CuGHRP-2GLOW blendIpamorelinKLOW blendKPVMOTS-cRetatrutideSelankSemaxSermorelinTB-500TesamorelinThymosin alpha-1Tirzepatide

Costides FAQ

Does Costides publish certificates of analysis (COAs)?

Yes. Costides' site links a testing or COA page. Match any certificate to the lot number on the vial you receive.

Has the FDA sent Costides a warning letter?

We found no FDA warning letter naming Costides in fda.gov's warning-letter search on October 19, 2026.

How much does Costides charge per mg?

On October 19, 2026 its listed prices ranged from $0.56 to $3.80 per mg across 13 products we could verify (BPC-157, TB-500, semaglutide, tirzepatide or retatrutide). See the table on this page.

Where does Costides ship?

Costides says: Costides ships to addresses in the United States only. Standard shipping is $15.00 per order, free on orders of $500.00 or more”; express $30, overnight $70.

What payment methods does Costides mention?

Not listed on public pages (“Pay by one of the methods offered at checkout”).

Is Costides legit?

We don't rate vendors. What we can verify: it links a testing page, its certificates name the issuing laboratory, and no FDA warning letter found. Its products are sold for research use only.