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For research use only. Not for human consumption.

Nextday Peptides

nextdaypeptides.com

  • Country: United States
  • Active

US online store for research peptides (Nextday Peptides, operated by Nextday Sciences LLC, Florida), priced in USD. Sells lyophilised single vials and 10-vial boxes. Ships from three US warehouses. Free-shipping threshold not stated. Publishes a COA library.

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Index summary

ruoindex statistics

Domain registered
2025-11-12
about 11 months ago · RDAP
Site status
Reachable
last checked 2026-10-22
Listings indexed by ruoindex
47
In stock now
47
Compounds tracked by ruoindex
22
Last checked
2026-10-23

Price positioning

22 comparable compounds: 2 below the market median · 1 near it · 19 above it. Overall, the middle of its prices is 63% above the market median. See each compound

Country
United States
Listings indexed
47
Lab report (COA)
Yes (Seller publishes COAs)
Domain registered
2025-11-12 (RDAP, checked 2026-11-04)
Site status
Reachable (last checked 2026-10-22, Based on our records)
Free shipping
No
Not stated
Payment methods, Free-shipping threshold, Ships to, COA page, Contact channels, Store platform, Affiliate program, Ships internationally

Catalog overview

CategoryListingsShareIn stockOut of stock
Peptides47100%470

Market price context

ruoindex statistics

Each card compares this seller's lowest current $/mg with the median $/mg of in-stock, recently confirmed listings of the same compound and form, counting each operating business once. A median is shown only when at least 3 operating businesses are comparable. How the market median is calculated

  • AOD-9604Vial

    This seller: $12.75/mg

    Market median across 100 sellers: $8.90/mg · Range: $2.00/mg to $39.00/mg

    43% above the current market median

    Sellers compared: 100

  • BPC-157Vial

    This seller: $6.38/mg

    Market median across 218 sellers: $4.90/mg · Range: $0.9120/mg to $19.00/mg

    30% above the current market median

    Sellers compared: 218

  • CagrilintideVial

    This seller: $16.25/mg

    Market median across 54 sellers: $9.65/mg · Range: $4.40/mg to $37.99/mg

    68% above the current market median

    Sellers compared: 54

  • CJC-1295Vial

    This seller: $22.00/mg

    Market median across 69 sellers: $11.80/mg · Range: $5.00/mg to $37.00/mg

    86% above the current market median

    Sellers compared: 69

  • CJC-1295 (no DAC)Vial

    This seller: $12.75/mg

    Market median across 101 sellers: $6.80/mg · Range: $1.90/mg to $21.48/mg

    88% above the current market median

    Sellers compared: 101

  • DSIPVial

    This seller: $8.50/mg

    Market median across 118 sellers: $5.08/mg · Range: $1.00/mg to $18.00/mg

    67% above the current market median

    Sellers compared: 118

  • EpitalonVial

    This seller: $5.75/mg

    Market median across 119 sellers: $2.90/mg · Range: $1.00/mg to $9.50/mg

    98% above the current market median

    Sellers compared: 119

  • GHK-CuVial

    This seller: $1.10/mg

    Market median across 189 sellers: $0.5998/mg · Range: $0.0875/mg to $4.00/mg

    83% above the current market median

    Sellers compared: 189

  • IpamorelinVial

    This seller: $12.75/mg

    Market median across 147 sellers: $5.50/mg · Range: $2.40/mg to $33.07/mg

    132% above the current market median

    Sellers compared: 147

  • KPVVial

    This seller: $7.50/mg

    Market median across 136 sellers: $4.83/mg · Range: $0.8000/mg to $13.23/mg

    55% above the current market median

    Sellers compared: 136

  • LL-37Vial

    This seller: $15.00/mg

    Market median across 50 sellers: $12.61/mg · Range: $4.00/mg to $33.00/mg

    19% above the current market median

    Sellers compared: 50

  • Melanotan IIVial

    This seller: $5.75/mg

    Market median across 115 sellers: $3.96/mg · Range: $1.59/mg to $8.50/mg

    45% above the current market median

    Sellers compared: 115

  • PT-141Vial

    This seller: $7.50/mg

    Market median across 124 sellers: $4.00/mg · Range: $0.8500/mg to $10.50/mg

    88% above the current market median

    Sellers compared: 124

  • RetatrutideVial

    This seller: $4.17/mg

    Market median across 66 sellers: $5.26/mg · Range: $0.6500/mg to $26.00/mg

    21% below the current market median

    Sellers compared: 66

  • SelankVial

    This seller: $7.50/mg

    Market median across 124 sellers: $4.50/mg · Range: $0.9900/mg to $11.00/mg

    67% above the current market median

    Sellers compared: 124

  • SemaglutideVial

    This seller: $4.25/mg

    Market median across 40 sellers: $5.59/mg · Range: $1.50/mg to $33.00/mg

    24% below the current market median

    Sellers compared: 40

  • SemaxVial

    This seller: $7.50/mg

    Market median across 136 sellers: $4.50/mg · Range: $1.60/mg to $14.00/mg

    67% above the current market median

    Sellers compared: 136

  • SermorelinVial

    This seller: $12.75/mg

    Market median across 89 sellers: $8.00/mg · Range: $2.00/mg to $33.07/mg

    59% above the current market median

    Sellers compared: 89

  • TB-500Vial

    This seller: $11.00/mg

    Market median across 157 sellers: $6.80/mg · Range: $1.20/mg to $33.00/mg

    62% above the current market median

    Sellers compared: 157

  • TesamorelinVial

    This seller: $10.75/mg

    Market median across 149 sellers: $7.50/mg · Range: $3.25/mg to $35.00/mg

    43% above the current market median

    Sellers compared: 149

  • Thymosin Alpha-1Vial

    This seller: $12.75/mg

    Market median across 74 sellers: $7.79/mg · Range: $3.96/mg to $23.50/mg

    64% above the current market median

    Sellers compared: 74

  • TirzepatideVial

    This seller: $3.88/mg

    Market median across 58 sellers: $3.97/mg · Range: $0.8333/mg to $22.00/mg

    Near the current market median

    Sellers compared: 58

Listings

Listings shown: 47 of 47

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Other sellers listing the same compounds

Ordered by the number of compounds in common. Not a ranking.

Frequently asked questions

Which country is this seller based in?
Nextday Peptides is listed as based in the United States.
How many listings and compounds does ruoindex track for this seller?
ruoindex currently shows 47 listings of 22 compounds from Nextday Peptides; 47 of them are in stock.
When were the prices on this page last checked?
Listings from this seller were last checked on 2026-10-23.
Does the seller state international shipping, free shipping and COAs?
From the seller's website: ships internationally: Not stated; ships to: Not stated; free shipping: No; lab report (COA): Yes.
Are the listings indexed all products of this seller?
Not necessarily. Listings indexed are the listings of Nextday Peptides that ruoindex has collected and can show; the seller's website may offer other products.
How we collect data

Public fact checks are not a certification of the seller, its products or its lab reports.