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Research Labs vs Sunlight

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

Research Labs vs Sunlight: Overview

Choosing between Research Labs and Sunlight 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. Sunlight also provides both semaglutide and tirzepatide at $88/month with a 7.5/10 rating.

With only a $28/month price difference, your choice will likely come down to features, support quality, and medication options.

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.

Visit CoreAge Rx →Read full review

At a glance

Price Difference

$28/mo

Rating Difference

2.0

Winner

Sunlight

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

Sunlight

View full Sunlight review →

Rating

7.5/10Better

Monthly Price

$88

Medications

semaglutidetirzepatide

Pros

✓Among the lowest advertised prices in the category: compounded semaglutide from $88/month and tirzepatide from $157/month (checked July 26, 2026)
✓A flat-price promise - 'Same price forever. No price increases ever' - with no separate membership fee stacked on top
✓The monthly rate is stated to include the prescription, unlimited telehealth visits and free 1-2 day shipping
✓Injection and oral formats both offered
✓If a provider medically disqualifies you, Sunlight refunds unused months and the video visit fee
✓Cancel anytime, with no minimum term advertised
✓Accepts HSA/FSA as well as major cards
✓Will match an equivalent dose if you are transferring from another provider, via prescription upload and a clinician appointment

Cons

✗Sunlight describes its compounded products as 'clinically proven to support weight loss'. Compounded drugs have not been through the trials that phrase implies, and the FDA has issued warning letters to other telehealth firms over claims of this type
✗The '(4.9) Excellent!' badge has no source. Trustpilot, the only public platform we found, showed 4.3 from 183 reviews - not the 100,000+ customer base implied elsewhere on the page
✗The scarcity banner is broken: it reads 'Only Spots Left!' with no number, which suggests the counter is decorative rather than real
✗'Starting at $88' has no published terms - the page never says whether that rate needs a 3, 6 or 12-month commitment, or what a month-to-month plan costs
✗The page carries a '$140 Off Today' urgency banner alongside the claim of no price increases ever
✗Testimonial copy follows the same template as several other compounded GLP-1 funnels, down to the phrasing 'When change felt impossible, Sunlight helped'
✗'We've been featured in' appears with no named publications or links in the page text
✗No BBB record and no published phone number, so there is little independent history to check

Choose Sunlight

Feature-by-feature comparison

Feature	Research Labs	Sunlight
Monthly Price	$60	$88
Rating	5.5/10	7.5/10
Medications	GLP-1 peptides, BPC-157, TB-500, NAD+	semaglutide, tirzepatide
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 shipping in 1-2 days claimed
Mobile App	No	No
Dedicated Coach	Not included	Not included
Follow-up Frequency	None - there is no clinical relationship	Unlimited telehealth visits included
Money-back Guarantee	See the site's refund policy; no clinical guarantee applies	Refund of unused months and the video visit fee if a provider medically disqualifies you
Cancellation Policy	One-off purchases rather than a subscription	Cancel any time; flat pricing promised with no advertised minimum term

Which should you choose?

Choose Research Labs if you:

→Want to save $28/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

Get started with Research Labs

Choose Sunlight if you:

→Prefer a higher-rated service (7.5/10 vs 5.5/10)
→Value: among the lowest advertised prices in the category: compounded semaglutide from $88/month and tirzepatide from $157/month (checked july 26, 2026)

Get started with Sunlight

Website previews

Research Labs

Research Labs website

Sunlight

Sunlight website

Our recommendation

Sunlight comes out ahead with a higher rating of 7.5/10. It also provides multiple medication options including both semaglutide and tirzepatide.

Get started with Sunlight

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