1st Optimal vs KERNX Health
An in-depth comparison of two leading GLP-1 Providers
WeightLossRankings.org is reader-supported. When you buy through links on our site, we may earn an affiliate commission. Learn more
1st Optimal
Best for: Patients wanting GLP-1 therapy within a lab-driven functional-medicine program
Visit 1st Optimal →
KERNX Health
Best for: shoppers who want plan pricing published up front and month-to-month billing
Visit KERNX Health →1st Optimal and KERNX Health are both GLP-1 Providers competing for the same patients, but they make different trade-offs on price, coverage, and what's included. In our scoring, KERNX Health starts at $129/mo, and KERNX Health edges ahead overall (7.1 vs 6.7 out of 10). Below we break down pricing, what each plan covers, the six-dimension score, pros and cons, and exactly who should pick which.
Pricing
1st Optimal
Pricing not publicly listed.
KERNX Health
Founding rate; standard rate is $249/mo once founding membership closes. Consultation fee $25-$60 per visit is charged separately.
Founding rate; standard rate is $299/mo once founding membership closes. Consultation fee $25-$60 per visit is charged separately.
Get alerted when GLP-1 prices drop
Join the GLP-1 price-watch list — we re-verify 420+ providers' prices on their own sites and email you when tracked prices move.
What’s included
1st Optimal
What the monthly price covers
Medication
Not disclosed
Provider visits
Included
Shipping
Included
Lab work
Not disclosed
Coaching
Included
KERNX Health
What the monthly price covers
Medication
Included
Provider visits
Billed separately
Shipping
Included
Lab work
Not disclosed
Coaching
Not disclosed
Score breakdown
Both providers are scored on the same six-dimension framework. The gradient bar marks the stronger side on each dimension.
1st Optimal
6.7/10
KERNX Health
7.1/10
Value25%
Effectiveness25%
User Experience15%
Trust & Safety15%
Accessibility10%
Support10%
Features & Coverage
| Feature | 1st Optimal | KERNX Health |
|---|---|---|
| Starting Price | — | $129/mo |
| Features | ✓8 features | 4 features |
| States Available | Not disclosed | Not disclosed |
| Compounded | — | ✓ Yes |
| Brand Name | — | — |
| FSA/HSA Accepted | — | — |
| FDA Warnings | None | None |
About 1st Optimal
1st Optimal is a Michigan-based telehealth and functional-medicine platform offering GLP-1 weight loss medications, including semaglutide and tirzepatide, as once-weekly injections or daily oral tablets. Its model pairs prescription GLP-1 therapy with at-home lab testing, blood-work interpretation, unlimited coaching, and personalized protocols framed around long-term weight loss and longevity. Care is delivered virtually by credentialed providers, and treatments ship to the home with no long-term contracts. The site does not publish monthly pricing or a state list.
Read our full 1st Optimal review →About KERNX Health
Washington DC telehealth platform selling compounded semaglutide and tirzepatide on flat monthly plans, with the physician consultation billed separately per visit.
Read our full KERNX Health review →Pros & Cons
1st Optimal
What we like
- Offers both semaglutide and tirzepatide with injectable and oral formats
- Functional-medicine approach with at-home labs and blood-work interpretation
- Unlimited coaching and ongoing support included
- No long-term contracts
- Board-certified doctors and nurse practitioners referenced
Watch-outs
- No public monthly pricing disclosed
- No published state availability list
- Compounded vs branded sourcing not clarified on site
- Pricing only revealed after quiz or consultation
KERNX Health
What we like
- Publishes plan pricing openly, before any intake or account creation
- Month-to-month with no long-term contract and no multi-month prepayment
- Billing starts only after a licensed provider approves treatment
- LegitScript certification verified against the issued seal, not just the badge
Watch-outs
- Its own pricing page contradicts itself: it claims no separate consultation charges, then states a $25-$60 fee applies per visit
- The consultation fee is charged whether or not a prescription is issued
- Advertised $129 and $199 rates are time-limited founding rates; standard rates are $249 and $299
- No compounding pharmacy is named anywhere on the site
- Shipping claims conflict: a 48-hour figure on the homepage against 1-2 days to ship plus 2-3 days transit in the FAQ
Our Verdict
KERNX Health edges out 1st Optimal with a higher overall score of 7.1/10 and is particularly strong for shoppers who want plan pricing published up front and month-to-month billing. 1st Optimal remains a solid alternative, especially if you're looking for Patients wanting GLP-1 therapy within a lab-driven functional-medicine program.
Choose 1st Optimal if…
You want Patients wanting GLP-1 therapy within a lab-driven functional-medicine program.
Choose KERNX Health if…
You want shoppers who want plan pricing published up front and month-to-month billing and a starting price around $129/mo.
Ready to start? Vetted GLP-1 providers
Vetted telehealth providers that prescribe GLP-1 online.
No insurance needed · vetted by our editors
WeightLossRankings.org is reader-supported. When you buy through links on our site, we may earn an affiliate commission. Learn more
bmiMD
Mainstream telehealth GLP-1 access
From $99/mo
Get started →RNK Health
Compounded GLP-1 alongside NAD+, peptide and longevity add-ons
From $197/mo
Get started →Wellorithm
Compounded GLP-1 access with oral tablet options across 49 states
From $147/mo
Get started →1st Optimal vs KERNX Health: FAQ
Key terms, explained
New to GLP-1s? Tap any term for a quick, plain-English definition.
- Semaglutide · Drugs and brands
- Tirzepatide · Drugs and brands
- Compounded GLP-1 · Pharmacy and drug forms
- 503A pharmacy · Pharmacy and drug forms
- PCAB accreditation · Pharmacy and drug forms
- Prior authorization (PA) · Insurance and regulatory
- Off-label use · Insurance and regulatory
- FDA Drug Shortage List · Insurance and regulatory
Related comparisons
Continue exploring 1st Optimal and KERNX Health head-to-heads in the same category.
- 1st Optimal vs Amazon One Medical
- 1st Optimal vs Vytora Health
- 1st Optimal vs CoreAge Rx
- KERNX Health vs EverSlim
- KERNX Health vs Found
- KERNX Health vs NewSelf
Or see the full category ranking.
Wegovy®, Ozempic®, and Rybelsus® are trademarks of Novo Nordisk A/S. Mounjaro® and Zepbound® are trademarks of Eli Lilly and Company. All other product names and trademarks referenced on this page belong to their respective owners. WeightLossRankings.org is not affiliated with any pharmaceutical manufacturer. See trademark disclaimer.