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Simple Peptide Reviews

founded 2023

florida, usa

12 reviews

Community Warning!

ScamAdviser notes the WHOIS owner identity is hidden and the domain is registered through NameCheap, a registrar sometimes associated with scam sites, though the site itself is otherwise rated as very likely safe with a valid SSL certificate and established e-commerce footprint. Independent Finnrick lab audits (dated October 2025) show inconsistent batch quality across products, ranging from A-grade (Semaglutide, Ipamorelin) to D-grade (BPC-157, Melanotan II), with one Tirzepatide vial testing roughly 95% over its labeled dose, indicating meaningful batch-to-batch variability despite marketing claims of rigorous testing. A similarly named site, simplepeptides.com, appears to be a separate/unrelated listing that has caused some review-platform confusion with the official simplepeptide.com domain.

Simple Peptide Overview

Simple Peptide is a Delray Beach, Florida-based family-run research peptide supplier founded in late 2023 by Alex and Melissa Ehrenthal. The company initially imported peptides before transitioning to work directly with a US-based cGMP-compliant manufacturer, and now sells a research-use-only catalog including BPC-157, Semaglutide, Tirzepatide, Retatrutide, CJC-1295, Ipamorelin, and Melanotan II, with same-day FedEx 2Day Air shipping for orders placed before the daily cutoff. Products are marketed strictly for research and development use and are not for human consumption.

in-house hplc

public coas

per-batch coa

ships to us

What customers love about Simple Peptide

Responsive, Founder-Involved Customer Service

As a family-run business founded by Alex and Melissa Ehrenthal, Simple Peptide emphasizes rapid support response times (targeting 1-2 hours) and uses Zendesk to track feedback across channels. Reviewers frequently cite helpful, quick-to-resolve customer service as a standout strength, and the company offers a 30-day money-back guarantee on unopened products.

Strong Aggregate Rating and Growing Reputation

The vendor holds an approximate 4.4-4.7 out of 5 rating across roughly 385 Trustpilot-style reviews, a notably strong showing in a market segment where many vendors are flagged as unreliable or outright scams. It is also recommended in several vendor-comparison and 'legit peptide sources' articles.

Independently Verified Through Finnrick

Simple Peptide is one of the few vendors with published third-party audit results on Finnrick, an independent peptide testing directory, showing an approximately 99.7% median purity and 100% identity pass rate across sampled products as of an October 2025 audit, alongside COAs referenced from testing partner Freedom Diagnostics.

Fast Same-Day FedEx Shipping

Orders placed before the 2-3 PM ET cutoff commonly ship same-day via FedEx 2Day Air, and multiple customers on Trustpilot and vendor-comparison sites confirm quick delivery and rare backorders.

Our top-rated vendor

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Our rankings are based solely on third-party lab testing rigor, COA transparency, and pricing — no paid placements, no affiliate influence. We update this list as new data comes in.

Based on current scores, this vendor ranks highest across those criteria.

Protide Health

#1 Rated Research Peptide Supplier

What customers dislike about Simple Peptide

Inconsistent Batch-to-Batch Quality on Some Products

Independent Finnrick audits show meaningful variability across the product line: while Semaglutide and Ipamorelin scored A-grade, BPC-157 and Melanotan II scored D-grade, and one Tirzepatide sample tested roughly 95% over its labeled dose. Some Trustpilot reviewers separately report product dissolution issues, suggesting buyers should verify batch-specific COAs before use rather than assuming uniform quality across the catalog.

Account Required to View Pricing and Catalog

Unlike many competitors with fully open storefronts, simplepeptide.com requires visitors to register or log in before the product catalog and pricing become visible, adding friction for researchers comparison-shopping across vendors.

New Vendor with Limited Track Record

Having launched in late 2023, Simple Peptide has a shorter operating history than many established competitors. ScamAdviser also flags that the domain's WHOIS owner identity is hidden and registered through NameCheap, a registrar sometimes associated with scam sites, which independently-minded researchers may view as a minor transparency gap despite the otherwise favorable safety assessment.

Occasional Shipping and Refund Complaints

A minority of reviews describe orders that never shipped or difficulty obtaining refunds, and delivery speed has occasionally fallen short of the marketed same-day FedEx 2Day Air promise, though these appear to be a small share of overall feedback relative to the many positive shipping reports.

Reviews shaping this summary

Anonymous

Feb 5, 2026

Crypto checkout was smooth

Paid with crypto and the checkout process was quick and easy, no issues confirming the payment. Order tracking updated accurately the whole way.

Anonymous

Jul 14, 2025

Volume discount made a bulk order worth it

Ordered 10 units of the same product to hit the bulk discount tier and it worked out to a solid price per unit compared to other vendors I checked.

Anonymous

Apr 18, 2026

Melanotan II didn't feel as potent as expected

Melanotan II didn't seem as potent as what I've gotten elsewhere, which was disappointing since I'd read good things overall. Everything else about the order wa…

Anonymous

Sep 27, 2025

Better than most in this space, still verify your COAs

Compared to some of the sketchier sites out there this one feels legit, real customer service, real shipping updates. Still recommend checking the Finnrick resu…

Anonymous

Mar 2, 2026

Ipamorelin has been rock solid every order

Been ordering ipamorelin from them for months now and it's been consistently good. Packaging is clean and professional, no leaks or damage ever.

Company details

Written by the company

Contact info

Florida, USA

simplepeptide.com

4.0

385 reviews

50%

17%

Write a review

Testing standards

In-house HPLC
Mass spectrometry
COA publicly available
Per-batch COA

Third-party labs

Freedom DiagnosticsFinnrick

Accepted methods

credit card

crypto

paypal

Shipping & pricing

Ships to

mid pricing tier

Last verified

August 3, 2026

Simple Peptide reviews

Reviews sourced from across the web and written by real users on PeptideMind. Gathered from popular platforms and our own community so you get the full picture.

We screen reviews, but don't fact-check them

Reviewers' opinions are their own. We may mark a review Verified when we can confirm a real transaction occurred, but we don't validate individual claims. All reviews are screened by automated software to catch guideline violations — flag anything we may have missed.

4.0

385 reviews

50%

17%

Write a review

Anonymous

Feb 5, 2026

Crypto checkout was smooth

Paid with crypto and the checkout process was quick and easy, no issues confirming the payment. Order tracking updated accurately the whole way.

Shipping Speed:

Anonymous

Jul 14, 2025

Volume discount made a bulk order worth it

Ordered 10 units of the same product to hit the bulk discount tier and it worked out to a solid price per unit compared to other vendors I checked.

Price / Value:

Anonymous

Apr 18, 2026

Melanotan II didn't feel as potent as expected

Melanotan II didn't seem as potent as what I've gotten elsewhere, which was disappointing since I'd read good things overall. Everything else about the order was fine.

Purity & Accuracy:

Anonymous

Sep 27, 2025

Better than most in this space, still verify your COAs

Compared to some of the sketchier sites out there this one feels legit, real customer service, real shipping updates. Still recommend checking the Finnrick results per product since quality isn't identical across the whole catalog.

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Anonymous

Mar 2, 2026

Ipamorelin has been rock solid every order

Been ordering ipamorelin from them for months now and it's been consistently good. Packaging is clean and professional, no leaks or damage ever.

Purity & Accuracy:

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Anonymous

Nov 9, 2025

Tirzepatide vial seemed stronger than labeled

Noticed the tirzepatide seemed to hit harder than the labeled dose would suggest, which lines up with something I later read about batch variability. Would like to see more consistent dosing between batches.

Purity & Accuracy:

Anonymous

May 4, 2025

Order never shipped and refund took forever

My order sat unprocessed for over a week with no tracking info. When I asked for a refund it took several follow-up emails before it actually happened.

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Anonymous

Jan 28, 2026

Fair prices and instant replies from support

Prices are reasonable and every message I've sent has gotten a fast reply, usually within an hour or two. Feels like a real family business rather than a faceless site.

Customer Service:

Price / Value:

Anonymous

Jun 11, 2025

Had to make an account just to see prices

Wanted to compare prices against a couple other sites but you have to register an account before the catalog even shows up. A little annoying but not a dealbreaker once I was in.

Price / Value:

Anonymous

Aug 20, 2025

BPC-157 had trouble dissolving fully

Had some trouble getting the BPC-157 to dissolve fully compared to other vendors I've used. Reached out about it and didn't feel like the response addressed the actual issue.

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Anonymous

Dec 15, 2025

Semaglutide worked exactly as expected

The semaglutide I ordered has been consistent every time. Checked the Finnrick results before buying and they matched what I experienced. Would order again.

Purity & Accuracy:

Price / Value:

Anonymous

Oct 2, 2025

Ordered before the cutoff and it shipped same day

Placed my order right before the afternoon cutoff and it still shipped same day via FedEx. Arrived two days later in discreet packaging. Support answered a pre-order question within the hour.

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Frequently asked questions

Is Simple Peptide a legitimate peptide vendor?

Based on 385 reviews on PeptideMind, Simple Peptide holds a 4.0/5 overall rating. Simple Peptide provides publicly available certificates of analysis (COAs) and conducts in-house HPLC testing. As with any research chemical vendor, we recommend reviewing available lab documentation and community feedback before purchasing.

Does Simple Peptide provide certificates of analysis (COAs)?

Yes, Simple Peptide makes COAs publicly available for their products on a per-batch basis. Their testing includes: in-house HPLC testing, mass spectrometry, per-batch COAs, third-party testing via Freedom Diagnostics, Finnrick.

What countries does Simple Peptide ship to?

Simple Peptide ships to: US.

What payment methods does Simple Peptide accept?

Simple Peptide accepts the following payment methods: Credit Card, Crypto, Paypal.

Where is Simple Peptide based and when were they founded?

Simple Peptide is founded in 2023, based in FLORIDA, USA.

Calculate peptide research quantities

Reference our peptide dosage, blend, and accumulation calculators for research purposes. Enter vial size, reconstitution volume, and target research quantity to calculate draw volumes instantly. For research use only — not administration or dosing guidance of any kind.

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