Is Limitless Biotech legit?

Limitless Biotech is a research-peptide vendor tracked in the Stacked directory, holding an independent Stacked Score of 72/100. Our score weighs third-party testing, reputation, transparency, and shipping — see the full breakdown above. No FDA warning letters are on record for Limitless Biotech as of our last review.

Does Limitless Biotech ship internationally?

Limitless Biotech ships within the US. Typical domestic delivery runs Standard carrier shipping. Tracking is provided. Confirm current shipping terms on the vendor's site before ordering.

Has Limitless Biotech received any FDA warning letters?

No FDA warning letters are on record for Limitless Biotech as of our last review. We surface any that appear on the vendor profile.

USA-made research peptides across 10+ research categoriesVendor profile

Limitless Biotech

Item: Limitless Biotech
Rating: 3.6
Author: Stacked

limitlessbiotech.com ↗

USA-made research peptides across 10+ research categoriesGoal-based taxonomy (shop by Cognitive / Metabolic / Mitochondrial / etc. research objective)Research bundles + themed peptide collections

Stacked Score

/ 100Strong

Medium confidenceUpdated 6h agoMethodology →

Limitless Biotech is an established vendor with over 3 years in operation and a public per-batch COA library verified through an accredited third-party CRO. They offer a moderate catalog of 26 products and accept credit card payments only. While they have a strong community presence, there is limited online sentiment data available, particularly from Reddit or Trustpilot.

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Score Breakdown

Purity Testing20%
85/100
Community Reputation15%
70/100
FDA / Regulatory13%
85/100
Shipping & Fulfillment12%
65/100
Payment Security10%
60/100
Customer Service10%
68/100
Catalog Depth10%
70/100
Price Competitiveness10%
65/100

Evidence

Pros & Cons

Pros

USA-made, published research-grade peptides with BigCommerce storefront polish
Deep research-category taxonomy (Cognitive, Metabolic, Musculoskeletal, Cardiovascular, Mitochondrial, Circadian, Reproductive, Cellular Longevity, Dermatological, Hormonal) — easy to explore by goal
15% customer discount via code 'Stacked' applied at checkout
US-based operation with domestic customer support and tracked shipping

Cons

Prices and stock update on a slower cadence than WooCommerce-hosted peers (Limitless runs on BigCommerce)
No public Janoshik / Finnrick third-party COA library on the site

Specialties

USA-made research peptides across 10+ research categoriesGoal-based taxonomy (shop by Cognitive / Metabolic / Mitochondrial / etc. research objective)Research bundles + themed peptide collections

Payment Methods

Credit card

Shipping

Domestic: Standard carrier shipping
International: No
Tracking: Yes
Carriers: —

Testing Methodology

Vendor states research-grade quality + US-manufactured. No public third-party COA library on the site.

FDA Warning History

No FDA warning letters on record.

Product Catalog

Every product we track from Limitless Biotech, linked to its peptide research profile. Prices refreshed periodically — verify on the vendor site before ordering.

5-Amino-1MQ
5-Amino-1MQ Powder
Size100 mg
Price$157.29
/ mg$1.57
In stockView
AOD-9604
AOD-9604
Size5 mg
Price$52.79
/ mg$10.56
Out of stockView
ARA-290
ARA-290
Size10 mg
Price$50.99
/ mg$5.10
In stockView
BPC-157
BPC-157
Size5 mg
Price$99.99
/ mg$20.00
In stockView
Bronchogen
Bronchogen Peptide 20mg
Size20 mg
Price$62.99
/ mg$3.15
In stockView
CJC-1295 (without DAC)
CJC-1295 no DAC (Mod GRF 1-29)
Size5 mg
Price$60.99
/ mg$12.20
In stockView
DSIP
DSIP
Size5 mg
Price$57.99
/ mg$11.60
Out of stockView
GHK
GHK Basic 100mg
Size100 mg
Price$78.99
/ mg$0.79
In stockView
GHK-Cu
GHK-Cu (Copper Peptide)
Size50 mg
Price$78.99
/ mg$1.58
In stockView
Humanin
Humanin 5mg
Size5 mg
Price$75.99
/ mg$15.20
In stockView
Ipamorelin
Ipamorelin
Size5 mg
Price$49.99
/ mg$10.00
In stockView
KPV
KPV
Size10 mg
Price$48.99
/ mg$4.90
In stockView
LL-37
LL-37
Size5 mg
Price$67.50
/ mg$13.50
In stockView
Livagen
Livagen Peptide
Size20 mg
Price$62.99
/ mg$3.15
In stockView
MOTS-c
MOTS-C
Size5 mg
Price$44.99
/ mg$9.00
In stockView
N-Acetyl Selank Amidate
N-Acetyl Selank
Size5 mg
Price$40.99
/ mg$8.20
In stockView
PE 22-28
PE-22-28 Spray
Size10 mg
Price$45.99
/ mg$4.60
In stockView
PNC-27
PNC-27
Size5 mg
Price$153.99
/ mg$30.80
Out of stockView
Pancragen
Pancragen Peptide
Size20 mg
Price$65.00
/ mg$3.25
In stockView
Semax
Semax 30mg
Size30 mg
Price$59.99
/ mg$2.00
In stockView
Sermorelin Acetate
Sermorelin
Size5 mg
Price$47.99
/ mg$9.60
In stockView
TB-500
TB-500 (Thymosin Beta-4)
Size5 mg
Price$54.99
/ mg$11.00
In stockView
Testagen
Testagen
Size20 mg
Price$62.99
/ mg$3.15
In stockView
Thymalin
Thymalin
Size10 mg
Price$126.49
/ mg$12.65
In stockView
Thymosin Alpha-1
Thymosin Alpha-1
Size5 mg
Price$67.99
/ mg$13.60
In stockView
VIP
VIP
Size5 mg
Price$64.99
/ mg$13.00
In stockView

Limitless Biotech — Frequently Asked

Is Limitless Biotech legit?: Limitless Biotech is a research-peptide vendor tracked in the Stacked directory, holding an independent Stacked Score of 72/100. Our score weighs third-party testing, reputation, transparency, and shipping — see the full breakdown above. No FDA warning letters are on record for Limitless Biotech as of our last review.
What is Limitless Biotech's Stacked Score?: Limitless Biotech holds a Stacked Score of 72/100. Limitless Biotech is an established vendor with over 3 years in operation and a public per-batch COA library verified through an accredited third-party CRO. They offer a moderate catalog of 26 products and accept credit card payments only. While they have a strong community presence, there is limited online sentiment data available, particularly from Reddit or Trustpilot. The score is editorial and independent of our affiliate relationship.
Does Limitless Biotech third-party test its peptides?: Vendor states research-grade quality + US-manufactured. No public third-party COA library on the site.
Does Limitless Biotech ship internationally?: Limitless Biotech ships within the US. Typical domestic delivery runs Standard carrier shipping. Tracking is provided. Confirm current shipping terms on the vendor's site before ordering.
Has Limitless Biotech received any FDA warning letters?: No FDA warning letters are on record for Limitless Biotech as of our last review. We surface any that appear on the vendor profile.

Affiliate Disclosure

Disclosure

Stacked earns a commission on purchases via affiliate links on this page. This does not influence our Stacked Score methodology.