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System Labs vs Lttl

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

System Labs vs Lttl: Overview

Choosing between System Labs and Lttl for GLP-1 weight loss medication? Both are popular providers, but they differ in pricing, medication options, and service features.

System Labs offers both semaglutide and tirzepatide at $149/month with a rating of 6.5/10. Lttl also provides both semaglutide and tirzepatide at $129/month with a 7.9/10 rating.

With only a $20/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

$20/mo

Rating Difference

1.4

Winner

Lttl

Best For

Budget

System Labs

View full System Labs review →

Rating

6.5/10

Monthly Price

$149

Medications

NAD+sermorelinglutathioneMIC + B12GHK-Cu

Pros

✓Prices are published openly for every product, with the renewal rate shown alongside the introductory one: NAD+ $89 first month then $149, sermorelin $109 then $219, glutathione $79 then $149, oral sermorelin $79 then $159, MIC + B12 $89/mo and GHK-Cu cream $109/mo (checked July 28, 2026)
✓Three delivery formats for NAD+ - injection, nasal spray and liposomal liquid - so needle-free options exist
✓Products are described as American made and third-party tested
✓The intake is short and a licensed provider reviews it before anything ships, with free 2-day shipping
✓No insurance required and no membership fee stacked on top of the product price

Cons

✗This is not a GLP-1 weight loss service. System Labs sells no semaglutide, no tirzepatide and no GLP-1 of any kind - the words do not appear anywhere on its site. If you are shopping for weight loss medication, this provider cannot supply it
✗We could not find any statement that the compounded peptides are not FDA-approved. That disclosure is standard across this category and its absence is the single biggest gap on the site
✗There is no refund or cancellation policy published at all - only a privacy policy and terms page
✗No independent review signal exists: no Trustpilot profile, no BBB file, and no rating displayed on site
✗Introductory pricing roughly doubles at renewal on most products, and the renewal price is the one you will pay for the rest of the course
✗Sermorelin, GHK-Cu and high-dose NAD+ have limited published human trial evidence for the benefits implied - 'perform 10 years younger' style claims are not supported by the kind of trials that back GLP-1 medications
✗No published phone number, support hours or physical address
✗The 'up to 1600mg' NAD+ potency claim is presented as an advantage without any evidence that higher doses produce better outcomes

Choose System Labs

Lttl

View full Lttl review →

Rating

7.9/10Better

Monthly Price

$129Cheaper

Medications

semaglutidetirzepatidesermorelinNAD+glutathione

Pros

✓The pricing page shows the complete ladder rather than a teaser, and says so explicitly: 'Every price. Every commitment length. No hidden fees, no starting at, no surprises'
✓Compounded tirzepatide runs $279/mo on rolling monthly billing, $249/mo over 3 months, $229/mo over 6 and $199/mo over 12, against a stated full price of $339/mo (checked July 28, 2026)
✓Weight loss plans start at $129/mo, longevity at $79/mo and microdose at $109/mo
✓'Same price, every dose' - your rate is locked from day one and does not rise as you titrate up. That is a genuine differentiator; several competitors we cover more than double the price between the starting and top dose
✓The compounding disclosure correctly separates 'FDA-registered facility' from 'FDA-approved drug', and states plainly that the medication has not been evaluated by the FDA for safety, efficacy or quality
✓A published phone number, a real California street address, an email address and a help centre - the full set, which is unusual in this category
✓No contracts, cancel anytime, free shipping, and medication prescribed and shipped within 48 hours
✓The assessment is free, takes about two minutes and requires no card up front
✓Longevity and peptide options (sermorelin, NAD+, glutathione, MIC B12) sit alongside the GLP-1 line at lower price points

Cons

✗The advertised '4.9 from 12,000+ Members' does not match the Trustpilot profile, which showed 4.3 from 8 reviews. Displaying that figure beside a Trustpilot badge implies a source it does not have
✗'Average Lttl members lose 32 lbs in first 6 months' and 'Top responders lose 55+ lbs in 12 months' are given without sample size, methodology or whether the weights were self-reported
✗'#1 RATED FOR RESULTS' and '62% of Lttl members choose this plan' carry no source at all
✗The 'Join 500,000+ others' figure is the company's own with no independent corroboration
✗The best rate requires committing to 12 months billed as $2,388 annually, and prescription medication cannot be returned or refunded once it ships - so that is a large non-recoverable commitment
✗Consultation fees are 'generally non-refundable once a provider has reviewed' your case, meaning you can pay and still be declined
✗Microdose plans are sold as a distinct tier at $109/mo, but microdosing is not an evidence-based protocol - the trials behind these drugs used full therapeutic doses
✗Compounded semaglutide and tirzepatide are not FDA-approved, and the weight-loss figures associated with these molecules come from trials of the branded products
✗GLP-1 medications are not suitable for anyone with a personal or family history of medullary thyroid carcinoma or MEN 2, or during pregnancy. Pancreatitis and gallbladder disease are recognised risks

Feature-by-feature comparison

Feature	System Labs	Lttl
Monthly Price	$149	$129
Rating	6.5/10	7.9/10
Medications	NAD+, sermorelin, glutathione, MIC + B12, GHK-Cu	semaglutide, tirzepatide, sermorelin, NAD+, glutathione
Insurance Accepted	No	No
Support Hours	Medical team availability advertised; hours not published	Unlimited 24/7 support advertised
Live Chat	Available	No
Free Shipping	Yes	Yes
Shipping Speed	Free 2-day shipping	Prescribed and shipped within 48 hours, free shipping
Mobile App	No	No
Dedicated Coach	Not included	Not included
Follow-up Frequency	Ongoing clinician support advertised; frequency not published	Unlimited 24/7 care team support advertised
Money-back Guarantee	None published	None. Prescription medication is non-returnable once shipped; damaged or incorrect orders replaced if reported within 7 days
Cancellation Policy	Not published	No contracts, cancel anytime; longer commitments are billed upfront and medication already shipped is non-refundable

Which should you choose?

Choose System Labs if you:

→Value: prices are published openly for every product, with the renewal rate shown alongside the introductory one: nad+ $89 first month then $149, sermorelin $109 then $219, glutathione $79 then $149, oral sermorelin $79 then $159, mic + b12 $89/mo and ghk-cu cream $109/mo (checked july 28, 2026)

Get started with System Labs

Choose Lttl if you:

→Want to save $20/month with a more affordable option
→Prefer a higher-rated service (7.9/10 vs 6.5/10)
→Value: the pricing page shows the complete ladder rather than a teaser, and says so explicitly: 'every price. every commitment length. no hidden fees, no starting at, no surprises'

Get started with Lttl

Website previews

System Labs

System Labs website

Lttl

Lttl website

Our recommendation

Lttl comes out ahead with a higher rating of 7.9/10. It also provides multiple medication options including both semaglutide and tirzepatide.

Get started with Lttl

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