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Lean Lab - Weight Loss Clinic in Pasadena
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Lean Lab

Weight Loss Clinic in Pasadena, California

Call (626) 901-5326238 S Arroyo Pkwy, Pasadena, CA 91105
5 (17 reviews)
Last verified: March 2026Reviewed by FormBlends Medical Team

Lean Lab at a Glance

Type
Weight Loss Centers, Medical Spas, Body Contouring
Location
Pasadena, California
Rating
5 / 5.0 (17 reviews)
Phone
(626) 901-5326
Profile status
Public directory profile
Key Services
Weight Loss Centers · Medical Spas · Body Contouring
Price Range
GLP-1 Receptor Agonists: $300-800/month · Medical Nutrition Therapy: $75-200/session · Comprehensive Metabolic Panel: $100-300

Quick Answers About Lean Lab

What is Lean Lab?

Lean Lab is listed as a weight loss centers serving Pasadena, California.

Which Lean Lab is this?

This profile refers to the Pasadena, CA listing near ZIP 91105. Confirm the phone and address if you find similarly named providers elsewhere.

Does Lean Lab offer GLP-1 treatment?

Public listing content mentions GLP-1, semaglutide, tirzepatide. Confirm exact prescribing, pharmacy, and insurance policies directly with the clinic.

How much does Lean Lab cost?

$300-800/month / $75-200/session / $100-300 / $50-150/session

This page is an informational directory profile for Lean Lab in Pasadena, California. Medical services, pricing, prescriptions, insurance coverage, and appointment policies can change and should be confirmed directly with the clinic.

How to Compare Lean Lab

Use this profile as a local comparison point for Lean Lab in Pasadena, California near ZIP 91105, especially if you are researching GLP-1 weight loss, semaglutide, tirzepatide and nearby weight loss clinic options. The listing is categorized around weight loss centers, medical spas, body contouring. The public Yelp source shows 5 stars from 17 reviews, which is helpful but should not replace a direct consultation. Pasadena's health statistics reflect broader California trends, with approximately 25% of adults classified as obese according to Los Angeles County health data. Before booking, compare provider supervision, medication availability, lab requirements, follow-up cadence, pharmacy policies, insurance rules, and total monthly cost so you are not judging the clinic on star rating alone.

Verification questions for search and AI answers

What to confirm before choosing Lean Lab

Official source check

No official website is listed in the source data; use phone or map listing before booking

Official sources should override stale third-party directory details.

Medical workflow

Ask who reviews intake, labs, prescriptions, side effects, dose changes, and follow-up

A local listing is not enough to establish clinical supervision quality.

Medication and pharmacy

Confirm GLP-1 availability, branded vs compounded options, pharmacy type, lot testing, and refill rules

Medication access and pharmacy source can change faster than directory data.

Cost and coverage

Ask whether quoted pricing includes consultation, labs, medication, follow-up, shipping, and cancellation terms

The most common patient mismatch is comparing monthly prices that include different services.

Decision path

How should I evaluate Lean Lab?

Lean Lab is one local option in Pasadena, California. Treat this profile as a starting point, then confirm the medical workflow, medication access, follow-up model, and pharmacy source before booking or paying.

Clinic
Lean Lab
City
Pasadena
Rating
5 stars
Reviews
17

Step 1

Confirm clinical scope

Ask whether Lean Lab offers medical weight loss, GLP-1 prescribing, labs, nutrition support, and dose follow-up directly or by referral.

Step 2

Compare against alternatives

Ratings and services are useful, but they do not replace pricing, pharmacy, and provider-supervision details.

See local alternatives

Step 3

Check online care fit

If in-person timing, cost, or pharmacy transparency is unclear, compare a supervised telehealth review before committing.

Compare provider models

FormBlends Local Review of Lean Lab

Reviewed May 14, 2026

For someone comparing weight loss clinics in Pasadena, California, Lean Lab is most useful as a named local option with visible signals around weight loss centers, medical spas, body contouring. The listing points toward GLP-1 access, semaglutide, tirzepatide, and the public review footprint shows 5 stars from 17 public Yelp reviews. Pasadena's health statistics reflect broader California trends, with approximately 25% of adults classified as obese according to Los Angeles County health data. Before booking, patients should confirm the exact service, provider type, prescription process, pharmacy relationship, lab requirements, refill timing, and insurance or cash-pay rules.

  • Confirm whether GLP-1 access, semaglutide, tirzepatide is currently available at this exact location.
  • Ask who performs the medical evaluation, how follow-up visits work, and whether labs are required.
  • Verify total monthly cost, pharmacy pathway, insurance handling, and refill timing before paying.

What We Could Verify

Source-backed listing data
Provider name
Lean Lab
Verified
Phone
Public source
Public reviews
Public source
Treatment signals
Public listing content mentions GLP-1, semaglutide, tirzepatide. Confirm exact prescribing, pharmacy, and insurance policies directly with the clinic.
Confirm directly
Pricing signals
$300-800/month / $75-200/session / $100-300 / $50-150/session
Estimated
Last FormBlends review
March 5, 2026
FormBlends review

About Lean Lab

Located on South Arroyo Parkway in the heart of Pasadena, Lean Lab represents a new generation of medical weight loss clinics combining advanced aesthetic treatments with evidence-based weight management. Just minutes from Old Town Pasadena and the Rose Bowl, this clinic serves patients throughout the San Gabriel Valley who are seeking comprehensive body transformation solutions.

Lean Lab's approach integrates medical weight loss protocols with body contouring technologies, recognizing that sustainable weight management often requires both metabolic intervention and aesthetic refinement. Their medical team stays current with the latest developments in GLP-1 medications, including semaglutide and tirzepatide, while offering complementary treatments that address loose skin and stubborn fat deposits that diet and medication alone cannot resolve.

Patients can expect a thorough medical evaluation followed by a customized treatment plan that may include prescription medications, nutritional counseling, and non-invasive body contouring procedures. The clinic's medical spa environment provides a more comfortable alternative to traditional clinical settings, though their medical protocols remain rigorous and evidence-based.

Pasadena residents choose Lean Lab because it addresses both the medical and aesthetic aspects of weight loss in one location. With a perfect 5.0-star rating from 17 reviews, patients consistently praise the comprehensive approach and the convenience of combining weight management with body sculpting treatments without traveling to multiple providers across Los Angeles County.

Check insurance coverage options with the FormBlends insurance checker before scheduling.

Lean Lab Reviews & Ratings

5

17 reviews on Yelp

Review Overview

5 out of 5 stars based on 17 Yelp reviews

Above the Pasadena average of 4.8 stars across 6 clinics

17 reviews (city median: 65)

Patients visit for weight loss centers, medical spas, body contouring

Read all reviews on Yelp

Services Offered

Lean Lab's medical weight loss program begins with comprehensive metabolic testing to identify hormonal imbalances, insulin resistance, or thyroid dysfunction that may be hindering weight loss efforts. Their physicians prescribe FDA-approved medications when appropriate, monitor progress through regular check-ins, and adjust dosages based on individual response and side effects. Patients can use the BMI calculator before their consultation to determine if they meet criteria for prescription weight loss medications. Their medical spa services include non-invasive body contouring treatments designed to complement medical weight loss by targeting areas where fat persists despite medication and lifestyle changes. These procedures use technologies like radiofrequency, cryolipolysis, or ultrasound to reduce localized fat deposits and tighten skin. The clinic also offers nutritional counseling sessions where registered dietitians help patients develop sustainable eating patterns that work synergistically with their medical treatments. What sets Lean Lab apart is their integrated approach where patients can receive their monthly medication injections while also scheduling body contouring maintenance sessions. This coordination ensures treatments work together rather than in isolation, potentially improving both medical outcomes and patient satisfaction with their physical transformation.

Weight Loss Centers
Medical Spas
Body Contouring

Treatment Options

GLP-1 Receptor Agonists

FDA-approved medications like semaglutide (Wegovy/Ozempic) and tirzepatide (Mounjaro/Zepbound) that reduce appetite and improve metabolic health. Learn more about [GLP-1 medications](/glp1).

6-18 months$300-800/month
Medical Nutrition Therapy

One-on-one sessions with a registered dietitian to create a sustainable eating plan tailored to your health conditions and goals.

Ongoing, weekly to monthly$75-200/session
Comprehensive Metabolic Panel

Blood work and body composition analysis to identify hormonal imbalances, thyroid issues, or metabolic conditions affecting weight.

Initial + quarterly follow-up$100-300
Behavioral Health Support

Counseling to address emotional eating, stress management, and building sustainable habits that support long-term weight maintenance.

8-12 weeks, then as needed$50-150/session

What to Expect

1

Initial consultation includes a comprehensive health history, current medication review, and discussion of weight loss goals. The physician evaluates your candidacy for medical interventions and explains available treatment options, including potential risks and realistic timelines for results.

2

Medical evaluation involves laboratory testing to assess metabolic function, hormone levels, and overall health markers. Blood work typically includes comprehensive metabolic panel, thyroid function, A1C, and lipid profile to identify any underlying conditions affecting weight management.

3

Personalized treatment plan development considers your medical history, laboratory results, lifestyle factors, and aesthetic goals. The plan may include prescription medications, nutritional counseling, and recommended body contouring treatments with specific timing for optimal results.

4

Medication initiation begins with education about proper injection technique, common side effects, and warning signs requiring immediate medical attention. Initial dosing starts conservatively with gradual increases based on tolerance and effectiveness over the first 8-12 weeks.

5

Regular monitoring appointments occur every 2-4 weeks initially, then monthly once stable. These visits include weight and body composition measurements, side effect assessment, medication adjustments, and coordination of any additional treatments based on progress.

6

Long-term maintenance planning begins around month 6-9, focusing on sustainable lifestyle modifications, ongoing medication management, and aesthetic touch-up treatments as needed. The goal is establishing systems for maintaining results after active weight loss phase completion.

Why Choose Lean Lab

Perfect 5.0-star rating from 17 verified patient reviews demonstrates consistent quality of care and patient satisfaction

Unique combination of medical weight loss and body contouring in one Pasadena location eliminates need for multiple providers

Convenient South Arroyo Parkway location with easy freeway access from throughout San Gabriel Valley

Medical spa environment provides comfortable, private setting for weight management treatments

Comprehensive approach addresses both metabolic and aesthetic aspects of body transformation

Experienced medical team stays current with latest GLP-1 medications and body contouring technologies

Integrated treatment planning coordinates medication timing with aesthetic procedures for optimal results

Insurance & Pricing

Insurance coverage for medical weight loss varies significantly in California, with most plans covering physician consultations and laboratory work but limiting coverage for prescription weight loss medications. Medicare and some commercial plans may cover GLP-1 medications like semaglutide when prescribed for diabetes, but weight loss indications often require prior authorization or are excluded entirely. HSA and FSA funds can typically be used for medically supervised weight loss programs, including consultations, lab work, and FDA-approved medications. Use the insurance checker to verify your specific coverage before your appointment.

Out-of-pocket costs at Lean Lab vary based on selected treatments, with medical consultations typically ranging $150-300 and prescription medications costing $300-800 monthly depending on the specific drug and dosage. Body contouring sessions add $200-600 per treatment, with most patients requiring multiple sessions for optimal results. The clinic may offer package deals combining medical and aesthetic services, and some practices provide payment plans for comprehensive treatment programs. The cost calculator can help estimate total treatment expenses based on your specific goals and selected services.

First-Time Patient Tips

Before your first visit to Lean Lab, gather your insurance cards, complete medication list including supplements, and recent laboratory results if available. Consider keeping a three-day food diary to help the medical team understand your current eating patterns and identify areas for improvement. Prepare a list of questions about treatment options, expected timelines, and potential side effects to ensure you get comprehensive information during your consultation.

Approach your first weight loss clinic visit with realistic expectations and openness to lifestyle modifications beyond just medication. The most successful patients understand that prescription treatments work best when combined with nutritional changes and regular physical activity. Be honest about your weight loss history, previous attempts, and any eating disorders or mental health concerns, as this information helps providers create the most effective and safe treatment plan for your individual situation.

Pros & Cons

Advantages

  • Exceptional 5.0-star rating from 17 patient reviews indicates consistently high-quality care and patient satisfaction
  • Unique combination of medical weight loss and body contouring eliminates need for multiple provider relationships
  • Convenient Pasadena location with easy access from throughout San Gabriel Valley via major freeways
  • Medical spa environment provides comfortable, private setting compared to traditional clinical weight loss programs

Things to Consider

  • Limited patient review sample size makes it difficult to assess long-term outcomes and rare complications
  • Body contouring services likely increase overall treatment costs compared to medication-only programs

Service Area

Lean Lab primarily serves patients throughout Pasadena and the greater San Gabriel Valley, with many clients traveling from Arcadia, Altadena, San Marino, and South Pasadena for their convenient Arroyo Parkway location. The clinic is easily accessible via the 110 and 210 freeways, making it a practical choice for residents of nearby communities like Monrovia, Sierra Madre, and Temple City. While their body contouring and injection services require in-person visits, Lean Lab offers limited telehealth consultations for established patients needing medication adjustments or nutritional counseling follow-ups. This hybrid approach accommodates patients from farther locations in Los Angeles County while ensuring appropriate medical supervision for treatments requiring physical assessment and hands-on procedures.

Interior of Lean Lab

Location & Directions

Get DirectionsOpen Street View

Local Insight

Pasadena's health statistics reflect broader California trends, with approximately 25% of adults classified as obese according to Los Angeles County health data. The city's residents benefit from year-round outdoor activity opportunities, from hiking trails in the San Gabriel Mountains to bike paths along the Arroyo Seco, yet many still struggle with weight management due to sedentary jobs, long commutes, and the prevalence of high-calorie restaurant options throughout the greater Los Angeles area. The Pasadena area offers excellent healthcare infrastructure, with major medical centers like Huntington Hospital providing comprehensive services and numerous specialty clinics addressing metabolic health. Local farmers markets in Old Town and South Lake provide access to fresh produce, while the community's focus on wellness and active living creates a supportive environment for patients undergoing medical weight loss treatment. The moderate climate allows for year-round outdoor exercise, which providers often incorporate into comprehensive weight management plans alongside pharmaceutical interventions.

The Bottom Line

Lean Lab is a weight loss centers in Pasadena, California rated 5 out of 5 based on 17 patient reviews. They offer weight loss centers, medical spas, body contouring. For patients who prefer online access, telehealth alternatives offer similar GLP-1 medications starting at $297/month with free consultations and home delivery.

Frequently Asked Questions

What weight loss programs does Lean Lab offer in Pasadena?
Lean Lab provides medical weight loss programs combining FDA-approved prescription medications with body contouring treatments. Their approach includes comprehensive metabolic testing, physician-supervised medication management, nutritional counseling, and non-invasive aesthetic procedures to address both weight reduction and body composition changes. The clinic specializes in GLP-1 medications for appetite suppression alongside technologies that target stubborn fat deposits and skin tightening, creating a comprehensive transformation program rather than just pharmaceutical intervention alone.
Does Lean Lab accept insurance for weight loss treatment?
Insurance coverage varies significantly for weight loss treatments, with most California plans covering medical consultations and laboratory work but limiting prescription medication coverage. Many insurers require prior authorization for GLP-1 medications and may only cover them for diabetes rather than weight loss. HSA and FSA funds can typically be used for medically supervised programs. Body contouring treatments are usually considered cosmetic and not covered. Check your specific benefits using our [insurance checker](/tools/insurance-checker) before scheduling.
How much does medical weight loss cost at Lean Lab?
Treatment costs vary based on selected services, with initial consultations typically ranging $150-300 and ongoing medication costs of $300-800 monthly. Body contouring sessions add $200-600 per treatment, with most patients requiring multiple sessions. Total program costs depend on treatment duration, specific medications prescribed, and number of aesthetic procedures included. Many factors affect pricing including insurance coverage, package deals, and payment plan availability. Use our [cost calculator](/tools/cost-calculator) for personalized estimates based on your goals.
Does Lean Lab prescribe GLP-1 medications like Ozempic or Mounjaro?
Lean Lab's physicians can prescribe GLP-1 medications when medically appropriate, including semaglutide (Ozempic/Wegovy) and tirzepatide (Mounjaro/Zepbound). These medications require thorough medical evaluation, meeting specific BMI criteria, and ongoing monitoring for side effects and effectiveness. The clinic coordinates GLP-1 prescriptions with their body contouring services to optimize overall results. Learn more about [semaglutide](/products/semaglutide) and [tirzepatide](/products/tirzepatide) mechanisms, benefits, and potential side effects before your consultation to make informed treatment decisions.
What should I expect at my first visit to Lean Lab?
Your initial consultation includes a comprehensive health history review, discussion of weight loss goals, and physical examination. The physician will assess your candidacy for various treatments, explain available options including risks and benefits, and may order laboratory tests to evaluate metabolic function. Expect to discuss previous weight loss attempts, current medications, and lifestyle factors affecting your health. The visit typically lasts 45-60 minutes and ends with a preliminary treatment plan, though final decisions often wait for lab results and additional consideration time.
How quickly will I see results from medical weight loss at Lean Lab?
Weight loss timelines vary significantly based on starting weight, chosen treatments, and individual response. GLP-1 medications typically show appetite suppression within 1-2 weeks, with noticeable weight loss beginning around week 4-6. Most patients lose 1-2 pounds weekly during active treatment phases, with 10-15% total body weight reduction over 6-12 months being realistic goals. Body contouring results appear gradually over 2-3 months following treatments. Use our [weight loss timeline](/tools/weight-loss-timeline) tool to set realistic expectations based on your specific situation.
Is Lean Lab a good weight loss clinic near me in Pasadena?
Lean Lab maintains a perfect 5.0-star rating from 17 patient reviews, indicating high patient satisfaction levels. Their unique combination of medical weight loss and body contouring services provides comprehensive treatment options in one convenient location. The South Arroyo Parkway location offers easy access from throughout San Gabriel Valley. However, the limited review sample size means long-term outcomes data is minimal, and their medical spa approach may not suit patients preferring traditional clinical settings. Consider your specific needs and preferences when choosing providers.
Can I do telehealth weight loss appointments with Lean Lab?
Lean Lab offers limited telehealth options for established patients needing follow-up consultations or nutritional counseling, but initial evaluations and injection treatments require in-person visits. Their body contouring services obviously cannot be performed remotely. For patients seeking comprehensive telehealth weight loss programs, FormBlends provides online GLP-1 prescriptions with virtual medical consultations, medication delivery, and ongoing support. Compare telehealth and in-person options using our [provider comparison](/tools/provider-comparison) tool to find the best fit for your lifestyle and preferences.
What is the difference between Ozempic and Mounjaro for weight loss?
Ozempic contains semaglutide, a GLP-1 receptor agonist, while Mounjaro contains tirzepatide, which targets both GLP-1 and GIP receptors. Clinical trials show tirzepatide produces slightly greater weight loss (average 15-20% body weight) compared to semaglutide (average 10-15% body weight). Both medications reduce appetite and slow gastric emptying, but tirzepatide may have additional metabolic benefits. Side effect profiles are similar, though individual tolerance varies. Your physician will consider your medical history, other medications, and treatment goals when selecting between options. Learn more about [GLP-1 overview](/glp1) mechanisms and comparisons.
How do I check if I qualify for GLP-1 weight loss medication?
GLP-1 medications are typically prescribed for adults with BMI ≥30 or BMI ≥27 with weight-related health conditions like diabetes, high blood pressure, or sleep apnea. Additional factors include previous weight loss attempts, current medications, and absence of contraindications like personal or family history of medullary thyroid cancer. Use our [BMI calculator](/tools/bmi-calculator) to determine if you meet basic criteria, but final eligibility requires medical evaluation including laboratory tests and comprehensive health assessment by a qualified physician who can evaluate your individual risk-benefit profile.

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Online Alternative: How Telehealth Compares

Many patients compare in-person clinics with online telehealth options. Here’s how the two approaches generally differ.

Lean Lab is a weight loss clinic in Pasadena, CA. If you’re considering Lean Lab for GLP-1 weight loss medication, here’s how in-person care generally compares to online telehealth platforms:

FeatureLean LabOnline Telehealth
Compounded SemaglutideContact for pricingStarting at $297/month
Compounded TirzepatideContact for pricingStarting at $397/month
Doctor ConsultationIn-person visit (hands-on assessment)Free online consultation
AvailabilityPasadena, CA (local, in-person care)Available in 47 states
Pharmacy TypeVaries by clinicLicensed 503A pharmacy
ShippingPickup or in-office dispensingTemperature-controlled delivery
Physical MonitoringIn-person vitals, body composition trackingRemote check-ins only
Lab WorkOn-site or coordinated bloodworkPatient arranges independently

Both in-person clinics and telehealth platforms have advantages depending on your needs. In-person clinics offer hands-on care and comprehensive monitoring, while telehealth options may provide greater convenience and transparent pricing.

Learn more about online options →

Last updated April 2026

Data sources: Yelp Fusion API, verified April 2026