Practical evidence-based weight management

Weight-Loss Supplements: Evidence, Risks and Red Flags

“Natural” does not mean effective or harmless. Many weight-loss supplements have limited evidence, multiple stimulants, uncertain doses or ingredients that interact with prescriptions.

Medical weight lossAppointments

Dietary supplements and balanced nutrition review

Questions before taking a supplement

  • Is the exact ingredient and dose supported by human trials?
  • Could it affect blood pressure, liver, kidneys, glucose, sleep or mood?
  • Does it duplicate caffeine, vitamins or herbs in another product?
  • Has it been independently tested for identity and contamination?

A supplement cannot replace adequate nutrition or evidence-based treatment. NIH weight-loss supplement fact sheet

How W8MD can help

W8MD physicians compare nutrition, activity, sleep, medical conditions, prior attempts, preferences, prescription options, coverage and cost. The goal is a plan that protects health and can be maintained rather than a temporary challenge.

Build an individualized W8MD plan

Brooklyn: 718-946-5500 · Northeast Philadelphia: 215-676-2334

Use the form only for a non-urgent callback request. Do not submit private medical, insurance, financial or other sensitive information.


    For appointments and important matters, please call the appropriate W8MD office:


    Philadelphia:
    215-676-2334

    Brooklyn / New York City:
    718-946-5500


    Do not use this form for emergencies or urgent medical concerns.
    Call 911 or go to the nearest emergency department for an emergency.


    This form is only for non-urgent appointment and general service requests.
    Do not submit symptoms, diagnoses, medication details, insurance numbers,
    financial information, Social Security numbers, or other confidential
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    Fields marked with an asterisk are required. Appointment availability,
    services and treatment eligibility vary. A medical evaluation is required
    before treatment or prescribing.

    Medical notice: Educational information only. The first visit is in person. Nutrition, activity and medication recommendations require individual evaluation. Eligibility, coverage, prices and results vary. Call 911 for an emergency.

    Content reviewed for general accuracy by W8MD clinical leadership. Last reviewed September 2026.

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