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Premium Peptides. Without the Markup.
Tirzepatide & Retatrutide · Shipped from the USA
Free Shipping — US Only
Independent Lab Tested
No Memberships
No Appointments
No Markups
❓
FAQ
Reconstitution, storage, payment & more
About Us
What We Do
At GDSS Peptides, we believe premium peptides should not come with inflated pricing, unnecessary memberships, or excessive markups. We source premium research-grade peptides directly from trusted manufacturers and provide them to you at more accessible pricing by eliminating unnecessary middlemen, memberships, appointments, branding costs, and excessive operational markups.
How We Do It
Our approach is intentionally simple, efficient, and transparent.
Instead of operating like a traditional reseller or telehealth brand, we focus on maintaining a streamlined operation that prioritizes product quality and affordability over excessive branding and inflated overhead.
Here's how we keep pricing accessible:
We prioritize people over profits. We believe it's possible to operate ethically, provide quality products, and still maintain fair pricing without price gouging.
We keep operations lean and efficient instead of spending heavily on flashy branding, expensive packaging, influencer campaigns, or unnecessary overhead.
Products are shipped to you exactly as received from the manufacturer without luxury repackaging or inflated presentation costs being passed on to customers.
We operate exclusively within the United States, maintain a focused product catalog, and avoid unnecessary operational expenses that many larger companies pass on through higher pricing.
Every product we provide has passed rigorous independent lab testing standards for purity and quality.
Why We Started
Like many others, we became frustrated watching people pay extreme prices through compound pharmacies, telehealth programs, and resellers while worrying about the future accessibility of GLP medications and peptides.
Once we gained direct access to manufacturers, we realized just how excessive many markups had become.
That changed everything.
We created GDSS Peptides to challenge the greed dominating the peptide and weight loss industry and to help make these products more accessible to everyday people.
We believe peptides (especially GLP medications) can genuinely improve lives by supporting health, confidence, longevity, and quality of life.
And we believe those benefits should not be reserved only for people who can afford to spend hundreds or thousands every month.
Product Catalogue
Tirzepatide & Retatrutide · Sets of 10 Vials
✦ Free Shipping on All Orders — US Domestic Only ✦
Want to try before committing to a full set? Single vials available with a 2-vial minimum. Tirz 30mg — $37/vial + $13 flat shipping. Email us to order.
Tirzepatide (TIRZ)
Tirz 10mg x10
10 vials · 10mg each · 100mg total
$250
Tirz 15mg x10
10 vials · 15mg each · 150mg total
$285
Tirz 20mg x10
10 vials · 20mg each · 200mg total
$325
Tirz 30mg x10
10 vials · 30mg each · 300mg total
$375
Tirz 40mg x10
10 vials · 40mg each · 400mg total
$435
Tirz 60mg x10
10 vials · 60mg each · 600mg total
$525
Retatrutide (RETA)
Reta 10mg x10
10 vials · 10mg each · 100mg total
$310
Reta 12mg x10
10 vials · 12mg each · 120mg total
$335
Reta 15mg x10
10 vials · 15mg each · 150mg total
$375
Reta 20mg x10
10 vials · 20mg each · 200mg total
$450
Reta 24mg x10
10 vials · 24mg each · 240mg total
$500
Reta 30mg x10
10 vials · 30mg each · 300mg total
$600
Reta 40mg x10
10 vials · 40mg each · 400mg total
$750
Reta 60mg x10
10 vials · 60mg each · 600mg total
$900
✦ Free Shipping on All Orders — US Domestic Only ✦
Frequently Asked Questions
Reconstitution · Storage · Supplies · Payment
1. What am I getting when I order?⌄
You will receive a "set." A set consists of 10 vials, each with your selected mg. For example, if you order Tirz 30x10, you will receive 10 vials, each containing 30mg of Tirzepatide.
2. What form will my peptides arrive in?⌄
Your peptides will arrive in lyophilized (freeze-dried) powder form. Before use, the powder must be reconstituted with: Bacteriostatic Water (BAC Water) containing 0.9% Benzyl Alcohol.
At first, the process may seem intimidating, but most people quickly realize how simple it is after watching the provided guides and videos.
3. Where do I buy Bacteriostatic Water?⌄
We recommend Hospira Bacteriostatic Water as the preferred option because it is widely used in hospitals and medical facilities.
Important: For Tirzepatide, you may also use Bacteriostatic Sodium Chloride. However:
It MUST be bacteriostatic
Look for the green writing on the label
Bacteriostatic Sodium Chloride CANNOT be used with Retatrutide
Independent testing has shown that BAC water remains stable for use for up to 120 days after puncture when properly stored.
For most states, these supplies can be purchased through Amazon or through online medical supply retailers. You can purchase pre-made reconstitution kits through Peptide Test and other recommended retailers, below.
Filtering helps improve sterility and safety. Although we are highly confident in the quality of our peptides, we still recommend filtering out of an abundance of caution. Filtering is inexpensive, quick, simple, and an excellent additional safeguard.
Powder Form: For maximum shelf life, store lyophilized (powder form) peptides in the freezer.
After Reconstitution: Once mixed into liquid form, store ONLY in the refrigerator.
We recommend reconstituting only the vials you currently plan to use.
11. How long are my peptides good for?⌄
Powder Form: Independent testing has shown that peptides stored in powder form in the freezer remain stable for many years. Powdered peptides are generally stable at room temperature for approximately 1 year.
Reconstituted Peptides: Reconstituted peptides are commonly recommended for use within 28 days when refrigerated. HOWEVER, proper aseptic technique may help safely extend usability.
Helpful aseptic practices include:
Wiping the vial stopper before each use
Filtering the solution
Using Hospira BAC water
Maintaining proper refrigeration
Using these practices, testing has shown:
Tirzepatide remains stable for up to 90 days
Retatrutide remains stable for up to 45 days
Important Safety Information: Always inspect your vial before each use. Discard immediately if the solution appears cloudy, develops gel-like particulates, or changes unexpectedly in appearance, as these may indicate bacterial contamination, peptide aggregation, or instability.
12. What do I inject with?⌄
Recommended injection syringes:
31g insulin syringes
5mm, 6mm, or 8mm lengths
13. How do I pay?⌄
Orders are placed through our website. At checkout, payment is completed using:
Crypto
CashApp
To keep prices lower and avoid issues commonly associated with processing payments for research peptides, we currently do not accept traditional payment processors, but hope to change this in the future.
Accepted Crypto:
Bitcoin (BTC)
USDC
USDT
ETH
SOL
14. Will I receive tracking information?⌄
Yes. Tracking is provided for all orders. You will receive an email containing tracking details once your order has been prepared for shipment.
Checkout
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⚠ Payment Required to Complete Your Order
1
Pay within 4 hours. Orders that have not received payment within 4 hours of placement will be automatically cancelled.
2
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3
Order number only in the memo/note. When sending payment, enter only your order number in the note, memo, or reference field — nothing else.
4
Send a screenshot of your payment confirmation to GDSSPeptides@proton.me. Need help? Email us at that address and we'll assist you.
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Click your preferred payment method below to reveal the wallet address or $Cashtag. Send the exact order total shown above.
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Send the exact order total. In the note field, enter your order number only — nothing else.
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Ethereum (ETH) — ERC-20 Network Only
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Solana (SOL) — Solana Network Only
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⚠ Critical Network Warning: USDT and USDC are accepted on the Ethereum (ERC-20) network ONLY. Do NOT send via TRC-20, BEP-20, or any other network. Funds sent on the wrong network cannot be recovered.