Weight Loss

(45 products)

Shop science-backed weight loss and fat-burning supplements, including GLP-1 support options. Expert coaching available in-store at Commonwealth Nutrition, Pittsburgh.

Compare Weight-Management Supplements

Supplements are only one part of a weight-management plan. Nutrition, activity, sleep, consistency, and appropriate professional guidance remain the foundation. Review each label carefully and choose one clearly defined approach rather than combining multiple formulas.

Stimulant and Thermogenic Formulas

These products may contain caffeine or stimulant-containing herbs. Check the complete label, include caffeine from coffee, energy drinks, and pre-workout in your daily total, and avoid stacking stimulant products.

Non-Stimulant Options

L-carnitine, CLA, and other non-stimulant products offer a different format for customers avoiding caffeine. Ingredients, serving sizes, and evidence vary, so compare labels and keep expectations realistic.

Appetite and Craving-Support Products

These supplements are intended to complement—not replace—balanced meals and sustainable habits. Products marketed with “GLP-1 support” language are dietary supplements, not prescription GLP-1 receptor agonist medications, and should not be presented as equivalent.

Water-Balance Formulas

Products positioned for temporary water balance do not represent body-fat loss. Follow label directions, pay close attention to hydration, and avoid combining them with other products that affect fluid balance without professional guidance.

Need help choosing?
Call or visit Commonwealth Nutrition in Pittsburgh for help comparing ingredients, stimulant levels, and purchasing options. If you use medications, manage a medical condition, are pregnant or nursing, or are considering prescription weight-management treatment, consult a qualified healthcare professional.

Weight-Management Supplement FAQs

Will a supplement cause weight loss by itself?

No supplement guarantees results. Products should be considered alongside nutrition, physical activity, sleep, and a sustainable plan appropriate for your needs.

How do I know whether a product contains stimulants?

Check the Supplement Facts and ingredient list for caffeine and stimulant-containing ingredients. Also count caffeine from coffee, energy drinks, and pre-workout products.

Can I combine a fat burner with pre-workout?

Combining them can unintentionally stack caffeine and other stimulants. Compare both labels and seek professional guidance before combining stimulant products.

Are “GLP-1 support” supplements the same as GLP-1 medications?

No. Dietary supplements are not prescription GLP-1 receptor agonist medications such as semaglutide or tirzepatide and should not be expected to provide equivalent effects.

Do water-loss products reduce body fat?

No. Changes in water weight are not the same as changes in body fat. Follow product directions and prioritize appropriate hydration.

Who should speak with a healthcare professional first?

Seek professional guidance if you take medications, manage blood pressure, heart, metabolic, kidney, or other medical conditions, are pregnant or nursing, are preparing for surgery, or have concerns about ingredients or interactions.

Can Commonwealth Nutrition help me compare products?

Yes. Call or visit our Pittsburgh store for help understanding labels, stimulant levels, formats, and purchasing options. Our product guidance does not replace medical advice.