Research Labs vs MangoRx
Compare pricing, features, and medications to find the best GLP-1 provider for your weight loss journey
Research Labs vs MangoRx: Overview
Choosing between Research Labs and MangoRx for GLP-1 weight loss medication? Both are popular providers, but they differ in pricing, medication options, and service features.
Research Labs offers both semaglutide and tirzepatide at $60/month with a rating of 5.5/10. MangoRx also provides both semaglutide and tirzepatide at $299/month with a 7.4/10 rating.
The price difference of $239/month is significant - Research Labs is the more budget-friendly option, while MangoRx positions itself as a premium service.
Our recommended brand
After reviewing all 148 providers on this platform, we've identified CoreAge Rx as offering the most transparent pricing model. At just $99/month — the same price every month, every dose — there are no surprise charges or hidden fees. Combined with exceptional service quality, personalized support, and access to both semaglutide and tirzepatide, it represents the best value without compromising on care.
At a glance
Price Difference
$239/mo
Rating Difference
1.9
Winner
MangoRx
Best For
Quality
Research Labs
View full Research Labs review →Rating
5.5/10
Monthly Price
$60Cheaper
Medications
GLP-1 peptidesBPC-157TB-500NAD+
Pros
- ✓The quality documentation is genuinely thorough for this category: HPLC and mass spectrometry on every lot, a signed certificate of purity shipped with every order, and a public lab-report library you can read before buying
- ✓Endotoxin testing (LAL assay) and microbial screening to USP standards on every batch before release
- ✓Full batch traceability - each vial traced to its production lot, raw materials and test results
- ✓States an average of 99.3% HPLC purity across all batches and publishes the underlying numbers rather than only the claim
- ✓Partner labs described as GMP-aligned, with documented SOPs and controlled environments
- ✓Pricing is straightforward and published: individual peptides run roughly $59.99 to $159.99, with free shipping over $150 (checked July 28, 2026)
- ✓The research-use-only status is disclosed up front behind an acknowledgement gate, not buried in a footer after checkout
- ✓A published phone number and a catalogue organised into peptides, blends, sprays and capsules, with a reference database
Cons
- ✗This is not a treatment and cannot lawfully be sold as one. Everything here is labelled for research use only and explicitly not for human consumption. If you are reading this site to find help with weight loss, this is not an option - it is laboratory material
- ✗There is no clinician at any point. Nobody takes a history, nobody checks your contraindications, nobody sets a dose and nobody monitors you. The safety net that every licensed provider on this site provides simply does not exist here
- ✗A certificate of analysis tells you what is in the vial. It tells you nothing about whether the contents are safe for you, what dose is appropriate, or how it interacts with your medications
- ✗Products arrive as lyophilised powder requiring reconstitution, and bacteriostatic water, syringes and other supplies are not included - so self-administration would also mean improvising sterile technique
- ✗Peptides such as BPC-157 and TB-500 appear on the FDA's list of substances that raise significant safety concerns for compounding, and have little or no published human trial evidence
- ✗There is no prescription, no pharmacy oversight and no adverse-event reporting pathway. If something goes wrong there is no clinical record and no provider to call
- ✗No Trustpilot or BBB record exists, so there is no independent consumer feedback of any kind
- ✗Our rating reflects suitability for someone seeking treatment, which is what this site compares. As a laboratory supplier the documentation is strong; as a route to a GLP-1 or peptide for your own health it is the wrong door, and a licensed provider is the right one
MangoRx
View full MangoRx review →Rating
7.4/10Better
Monthly Price
$299
Medications
oral semaglutidetestosteronesildenafiltadalafil
Pros
- ✓Pricing is published without an intake and stated as locked in with no hidden fees: Slim oral semaglutide at $299/month and TRT starting at $99/month (checked July 28, 2026)
- ✓Provider visits and shipping are free on all orders, so there is no separate consultation fee stacked on top
- ✓The TRT program includes a comprehensive lab test and a personalized plan, with a full refund if you do not qualify - so the assessment carries no financial risk
- ✓The compounded-medication disclosure is thorough and correctly worded, including the point that clinical data from FDA-approved drugs may not transfer to compounded versions
- ✓It explicitly disclaims any relationship with Novo Nordisk or Eli Lilly rather than trading on their brand names
- ✓An orally dissolving tablet is a genuine convenience for people who will not inject, and the formulation adds vitamin B6, which the site says is intended to reduce nausea
- ✓Replied to 100% of negative Trustpilot reviews
- ✓A dedicated safety page, pharmacy disclaimer and telehealth consent are all published and dated
Cons
- ✗At $299/month, Slim is one of the more expensive semaglutide options we cover - and it is compounded. For comparison, the FDA-approved oral semaglutide listed elsewhere on this site sits at $149/month, so you would be paying roughly double for a preparation the FDA has not reviewed
- ✗There is no published bioavailability data for this tablet. Approved oral semaglutide relies on an absorption enhancer (SNAC) plus a strict fasting-and-water protocol precisely because semaglutide is a peptide that is poorly absorbed by mouth. Without that data, there is no way to know how much drug a compounded orally dissolving tablet actually delivers
- ✗The weight-loss figures associated with semaglutide - roughly 14.9% of body weight over 68 weeks in the STEP-1 trial - come from weekly subcutaneous injections of the branded drug, not from a compounded oral tablet. Do not assume the results transfer
- ✗The FDA declared the semaglutide shortage resolved in early 2025, after which compounders were required to stop producing what amounts to a copy of an approved drug. Providers still selling compounded semaglutide generally argue their formulation is materially different. It is a fair question to put to the provider before paying
- ✗The refund policy covers dispensing errors, cancellation before filling, and shipping damage reported within 7 days. It does not cover simply not getting on with the treatment
- ✗Only 15 Trustpilot reviews, and no BBB profile, so there is very little independent evidence either way
- ✗No corporate entity, address or phone number appears anywhere on the site - support is a single email address
- ✗This offer is not available in Alabama, Alaska, Arkansas, California, Kentucky, Louisiana, Michigan, Mississippi, North Dakota, South Carolina, South Dakota or Wyoming
- ✗The brand voice leans heavily on bravado - 'MAN. GO.', 'You badass' - which sits oddly against prescribing a GLP-1 and testosterone, where the tone you want is clinical caution
- ✗Semaglutide is not suitable for anyone with a personal or family history of medullary thyroid carcinoma or MEN 2, and is not for use in pregnancy. Pancreatitis and gallbladder disease are recognised risks
Feature-by-feature comparison
| Feature | Research Labs | MangoRx |
|---|---|---|
| Monthly Price | $60 | $299 |
| Rating | 5.5/10 | 7.4/10 |
| Medications | GLP-1 peptides, BPC-157, TB-500, NAD+ | oral semaglutide, testosterone, sildenafil, tadalafil |
| Insurance Accepted | No | No |
| Support Hours | Not published | Not published |
| Live Chat | No | No |
| Free Shipping | Yes | Yes |
| Shipping Speed | Nationwide US shipping, free on orders over $150 | Free discreet shipping on all orders; Slim ships monthly as a 30-day supply |
| Mobile App | No | No |
| Dedicated Coach | Not included | Not included |
| Follow-up Frequency | None - there is no clinical relationship | Doctor-managed plans with lab-based adjustment on TRT; cadence not published |
| Money-back Guarantee | See the site's refund policy; no clinical guarantee applies | Full refund on TRT if you do not qualify. Otherwise refunds are limited to dispensing errors, pre-fill cancellation, or shipping damage reported within 7 days |
| Cancellation Policy | One-off purchases rather than a subscription | Monthly supply; cancellation before a prescription is filled is refundable, subject to the cancellation policy |
Which should you choose?
Choose Research Labs if you:
- →Want to save $239/month with a more affordable option
- →Value: the quality documentation is genuinely thorough for this category: hplc and mass spectrometry on every lot, a signed certificate of purity shipped with every order, and a public lab-report library you can read before buying
Choose MangoRx if you:
- →Prefer a higher-rated service (7.4/10 vs 5.5/10)
- →Value: pricing is published without an intake and stated as locked in with no hidden fees: slim oral semaglutide at $299/month and trt starting at $99/month (checked july 28, 2026)
Website previews
Research Labs
MangoRx
Our recommendation
MangoRx comes out ahead with a higher rating of 7.4/10. It also provides multiple medication options including both semaglutide and tirzepatide.
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