Last reviewed: September 10, 2026 Last updated: September 10, 2026

Written by: Jay Hastings, CEO of PlexusDx

Jay Hastings is the CEO of PlexusDx, a precision health company focused on genetic testing, blood biomarker insights, and personalized wellness recommendations. He has more than 20 years of experience across healthcare innovation, genomics, laboratory operations, healthcare investing, and strategic finance. His work has included scaling healthcare startups, leading CLIA lab integrations, and helping expand consumer access to precision health tools.

Medically reviewed by: Jayden Lee, PharmD, EMBA

Jayden Lee, PharmD, EMBA, is the PlexusDx Medical Science Liaison with a PharmD and MBA specializing in pharmacogenomics and clinical product development, with a proven ability to bridge the gap between genomic research and practical patient outcomes. Dr. Lee has more than 10 years of professional experience in clinical pharmacy, academia, and research.

PlexusDx publishes this comparison and is one of the providers discussed. We use the same evidence rules for our own program and competing programs.

The short answer

PlexusDx charges $189 per month for compounded semaglutide injection on month-to-month billing; Belle charges $199 per month for the same medication. For tirzepatide injection, Belle charges $249 per month month-to-month and PlexusDx charges $289 per month—a $40 monthly advantage to Belle. Belle also offers two-month and six-month prepaid plans that lower the per-month equivalent in exchange for upfront payment. Both providers include the clinician visit, prescription, medication, supplies, and shipping in their published price, with no separate membership fee. Neither provider publishes evidence of dose-tier pricing. The verdict depends on which compound you use and whether you prefer month-to-month flexibility or prepaid savings.

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At-a-glance comparison

Feature PlexusDx Belle
Semaglutide injection (month-to-month) $189/month $199/month
Tirzepatide injection (month-to-month) $289/month $249/month
Membership or service fee None None
Prepaid multi-month plans 3-month, 6-month 2-month, 6-month
Included Visit, prescription, medication, supplies, shipping Clinician, medication, supplies, shipping
Compounded medication disclosure 503A compounding pharmacies Compounded, not FDA-approved

All pricing verified September 4–10, 2026. PlexusDx data from plexusdx.com/pages/glp-1-alternatives, captured September 10, 2026; Belle data from joinbelle.com and corroborating secondary sources, captured September 4, 2026.

Month-to-month pricing normalized over 12 months

Month-to-month billing lets you stop anytime without prepayment penalty. We calculate the 12-month cost assuming continuous treatment on each provider's standard monthly rate.

Semaglutide injection: PlexusDx $10/month less

  • PlexusDx: $189/month × 12 = $2,268 total (our calculation)
  • Belle: $199/month × 12 = $2,388 total (our calculation)
  • Difference: Belle costs $120 more per year, or $10 per month more

PlexusDx holds a $10 per month advantage on semaglutide when both providers are compared month-to-month. Over 12 months of continuous treatment, that difference accumulates to $120 (our calculation).

Tirzepatide injection: Belle $40/month less

  • Belle: $249/month × 12 = $2,988 total (our calculation)
  • PlexusDx: $289/month × 12 = $3,468 total (our calculation)
  • Difference: Belle costs $480 less per year, or $40 per month less

Belle's tirzepatide month-to-month rate is $40 per month below PlexusDx, a $480 annual saving over 12 months (our calculation). This is Belle's strongest price advantage in the head-to-head comparison.

Prepaid plan pricing and upfront commitments

Both providers offer prepaid multi-month plans that lower the per-month equivalent in exchange for paying several months in advance. We present the prepaid per-month rates as our calculation for comparison purposes and note the upfront dollar amount required.

Belle semaglutide prepaid plans

  • 2-month prepaid: $270 upfront, $135/month prepaid equivalent (our calculation); standard month-to-month rate is $199/month
  • 6-month prepaid: $714 upfront, $119/month prepaid equivalent (our calculation); standard month-to-month rate is $199/month

Belle's six-month semaglutide plan requires $714 upfront and delivers a prepaid equivalent of $119 per month—$80 per month below Belle's own month-to-month rate and $70 per month below PlexusDx's month-to-month semaglutide rate (joinbelle.com, captured September 4, 2026). Over 12 months—two consecutive six-month cycles—the total upfront commitment is $1,428 (our calculation), compared to $2,268 for PlexusDx month-to-month semaglutide, a $840 annual difference (our calculation).

Belle tirzepatide prepaid plans

  • 2-month starter prepaid: $350 upfront, $175/month prepaid equivalent (our calculation); standard month-to-month rate is $249/month
  • 6-month prepaid: $1,194 upfront, $199/month prepaid equivalent (our calculation); standard month-to-month rate is $249/month

Belle's six-month tirzepatide plan costs $1,194 upfront for a prepaid equivalent of $199 per month (our calculation), $50 per month below Belle's own month-to-month tirzepatide rate and $90 per month below PlexusDx's month-to-month tirzepatide rate (joinbelle.com, captured September 4, 2026). Over 12 months—two six-month cycles—the prepaid total is $2,388 (our calculation), compared to $3,468 for PlexusDx month-to-month tirzepatide, a $1,080 annual difference (our calculation).

PlexusDx prepaid plans

PlexusDx offers three-month and six-month prepaid plans for both semaglutide and tirzepatide injection. Specific rates for semaglutide injection are $169/month on the three-month plan and $149/month on the six-month plan; tirzepatide injection rates are $269/month on the three-month plan and $249/month on the six-month plan (plexusdx.com/pages/glp-1-alternatives, captured September 10, 2026). These are flat per-month rates with no upfront lump-sum payment; each month is billed at the prepaid discount.

PlexusDx six-month semaglutide at $149/month totals $1,788 over 12 months (our calculation), compared to Belle's six-month semaglutide prepaid total of $1,428 over the same period (our calculation)—a $360 difference favoring Belle. PlexusDx six-month tirzepatide at $249/month totals $2,988 over 12 months (our calculation), compared to Belle's six-month tirzepatide prepaid total of $2,388 (our calculation)—a $600 difference favoring Belle.

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What each plan includes and what it doesn't

Both PlexusDx and Belle include the clinician consultation, prescription, compounded medication, injection supplies, and shipping in their published monthly price. Neither provider charges a separate monthly membership fee or platform access fee (PlexusDx: plexusdx.com/pages/glp-1-alternatives, captured September 10, 2026; Belle: joinbelle.com, captured September 4, 2026).

Neither provider published evidence of dose-tier pricing or a medication-only option without the clinical service. The published rate is the same at every compounded dose within the medication's titration range.

Confirmation of checkout timing for Belle's multi-month plans—whether they auto-renew, require manual renewal, or revert to month-to-month billing after the prepaid term—was not documented in the September 4, 2026 research capture. Prospective Belle patients should confirm renewal terms at checkout before committing to a prepaid cycle.

Review and reliability evidence

PlexusDx holds a 4.3-star rating on Trustpilot, with 79% of reviews at five stars and 83% at four stars or higher (captured September 9, 2026; trustpilot.com/review/plexusdx.com).

Belle maintains a Trustpilot profile at trustpilot.com/review/joinbelle.com, but the rating and review volume were not captured in the September 4, 2026 research pass. No specific negative themes from Trustpilot or Reddit were documented in the indexed results for Belle during that research window.

The absence of captured negative evidence is not proof of absence; readers considering Belle should review the Trustpilot profile directly and confirm current service-quality reports before enrollment.

Choose Belle if…

  • You are using tirzepatide and want the lower month-to-month rate ($249 vs PlexusDx $289).
  • You are comfortable with a prepaid multi-month commitment and want the lowest per-month rate on either compound (Belle's six-month plans deliver the steepest discount in this comparison).
  • You prefer a two-month starter option to test fit before committing to six months.

Choose PlexusDx if…

  • You are using semaglutide and prefer month-to-month billing without prepayment ($189 vs Belle $199).
  • You want a prepaid discount without a large upfront lump sum (PlexusDx three-month and six-month plans bill each discounted month individually rather than requiring the full prepaid amount at enrollment).
  • You value a verified Trustpilot rating and documented service-quality data in your decision process.
  • You want access to oral semaglutide or tirzepatide capsules, or a microdose maintenance protocol, none of which Belle offers.

Methodology and freshness

PlexusDx pricing and service details verified from plexusdx.com/pages/glp-1-alternatives, captured September 10, 2026. Belle pricing, plan terms, and inclusions verified from joinbelle.com and corroborated by a secondary aggregator source, captured September 4, 2026. Review evidence for PlexusDx verified from trustpilot.com/review/plexusdx.com, captured September 9, 2026; Belle Trustpilot profile confirmed to exist but rating and volume not captured in the September 4 research pass.

All 12-month cost totals and prepaid per-month equivalents are our calculation, derived from the verified monthly rates and upfront prepaid amounts. We do not apply discounts, estimate taxes, or model dose changes; calculations assume continuous treatment at the standard published rate for each plan type.

Pricing, plan availability, and terms may change after publication. Confirm current rates, prepaid terms, renewal behavior, and included services at each provider's checkout before enrollment.

Frequently Asked Questions

Does Belle charge a monthly membership fee separate from the medication price?

No. Belle's published monthly rate includes the clinician service, prescription, compounded medication, injection supplies, and shipping, with no separate recurring membership fee (joinbelle.com, captured September 4, 2026).

Which provider costs less for tirzepatide on month-to-month billing?

Belle charges $249 per month for tirzepatide injection on month-to-month billing; PlexusDx charges $289 per month. Belle's rate is $40 per month lower, or $480 less over 12 months (our calculation).

Do Belle's prepaid plans require the full amount upfront or bill monthly?

Belle's two-month and six-month plans require the full prepaid amount at enrollment—for example, $714 upfront for six months of semaglutide (joinbelle.com, captured September 4, 2026). Confirm checkout and renewal terms before committing.

Does PlexusDx offer a prepaid discount without a large lump-sum payment?

Yes. PlexusDx three-month and six-month plans bill each discounted month individually rather than collecting the full term upfront. For example, six-month semaglutide is billed at $149 each month, not as a single $894 charge.

Are compounded semaglutide and tirzepatide FDA-approved medications?

No. Compounded medications are not FDA-approved. FDA does not review compounded drugs before marketing for safety, effectiveness, or quality. A licensed clinician determines whether a prescription is appropriate for an individual patient.

Sources

  • PlexusDx GLP-1 Alternatives page, plexusdx.com/pages/glp-1-alternatives, accessed September 10, 2026
  • Belle homepage and pricing information, joinbelle.com, accessed September 4, 2026
  • PlexusDx Trustpilot profile, trustpilot.com/review/plexusdx.com, accessed September 9, 2026
  • Belle Trustpilot profile, trustpilot.com/review/joinbelle.com, confirmed September 4, 2026
  • Corroborating secondary source (AllyRx aggregator), accessed September 4, 2026

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Compounded medication disclosure: Compounded medications are not FDA-approved. FDA does not review compounded drugs before marketing for safety, effectiveness, or quality. A licensed clinician determines whether a prescription is appropriate for an individual patient. PlexusDx works with licensed 503A compounding pharmacies.

Medical and Editorial Standards

Medical review process: This article was reviewed for medical accuracy, scientific clarity, evidence alignment, and appropriate discussion of genetics, medications, supplements, biomarkers, and health-related claims.

Sources and evidence: PlexusDx educational content is developed using peer-reviewed research, clinical literature, reputable medical references, and, where applicable, public health or regulatory guidance. References are included at the end of the article when scientific, medical, or health-related claims are discussed.

Commercial transparency: PlexusDx offers genetic testing, blood biomarker testing, personalized supplement recommendations, and related precision wellness services. Product mentions are intended to help readers understand available options and should not be interpreted as medical advice.

Important disclaimer: PlexusDx educational content is for informational purposes only and should not be used as a substitute for professional medical advice, diagnosis, or treatment. Always consult a qualified healthcare provider before making decisions about medications, supplements, genetic testing, lab testing, or health-related care.

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