Research Labs vs Calibrate

Compare pricing, features, and medications to find the best GLP-1 provider for your weight loss journey

Research Labs vs Calibrate: Overview

Choosing between Research Labs and Calibrate 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. Calibrate also provides both semaglutide and tirzepatide at $199/month with a 8.5/10 rating.

The price difference of $139/month is significant - Research Labs is the more budget-friendly option, while Calibrate positions itself as a premium service.

VERIFIED

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
$139/mo
Rating Difference
3.0
Winner
Calibrate
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
Choose Research Labs

Calibrate

View full Calibrate review →
Rating
8.5/10Better
Monthly Price
$199
Medications
semaglutidetirzepatide

Pros

  • Prescribes only brand-name, FDA-approved GLP-1s - Zepbound, Mounjaro, Wegovy, Ozempic and Foundayo - with no compounded products
  • Publishes a genuine long-term outcome: 20% weight loss achieved at three years, which is a far longer follow-up than the 68-72 week trial data most providers cite
  • Includes 1:1 video coaching and lifestyle support rather than shipping medication and leaving you to it
  • Dedicated insurance navigation support to get the medication covered, instead of assuming cash-pay
  • Available either directly as an individual or through a participating employer
  • Starting price is published openly at $199/month (checked July 28, 2026)

Cons

  • At $199/month for the programme, this is a coaching-led service and the medication cost is separate - what you pay in total depends on your insurance
  • The $199 figure is a 'starting at' price
  • Because it only prescribes brand-name GLP-1s, cost without insurance coverage will be substantially higher than compounded alternatives
  • The 4.5 rating from 1,618 reviews is displayed on Calibrate's own site rather than an independent platform
  • GLP-1 medications are not suitable for anyone with a personal or family history of medullary thyroid carcinoma or MEN 2, or during pregnancy
Choose Calibrate

Feature-by-feature comparison

FeatureResearch LabsCalibrate
Monthly Price$60$199
Rating5.5/108.5/10
MedicationsGLP-1 peptides, BPC-157, TB-500, NAD+semaglutide, tirzepatide
Insurance AcceptedNoYes
Support HoursNot publishedNot published
Live ChatNoNo
Free ShippingYesNo
Shipping SpeedNationwide US shipping, free on orders over $150Prescriptions filled through your pharmacy
Mobile AppNoAvailable
Dedicated CoachNot includedIncluded
Follow-up FrequencyNone - there is no clinical relationship1:1 video coaching throughout the Metabolic Reset programme
Money-back GuaranteeSee the site's refund policy; no clinical guarantee appliesNone published
Cancellation PolicyOne-off purchases rather than a subscriptionProgramme based; terms not published

Which should you choose?

Choose Research Labs if you:

  • Want to save $139/month with a more affordable option
  • Want more medication options to choose from
  • 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 Calibrate if you:

  • Prefer a higher-rated service (8.5/10 vs 5.5/10)
  • Need insurance coverage for your treatment
  • Want personalized coaching support included
  • Value: prescribes only brand-name, fda-approved glp-1s - zepbound, mounjaro, wegovy, ozempic and foundayo - with no compounded products

Website previews

Research Labs

Research Labs website

Calibrate

Calibrate website

Our recommendation

Calibrate comes out ahead with a higher rating of 8.5/10. It also provides multiple medication options including both semaglutide and tirzepatide.
Get started with Calibrate

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