Key Benefits

• Contains 200 mg caffeine to help increase alertness.

• With vitamin B6 and B12 to support normal energy-yielding metabolism.

• Includes vitamin B12 to help reduce tiredness and fatigue.

• NSF Certified for Sport®.

Advanced Pre-Workout - Rainbow Sherbet is a high-strength pre-training formula designed for athletes and active individuals. It contains 200 mg of naturally derived caffeine per serving, which contributes to increased alertness and improved concentration. The formula also includes vitamin B6 and vitamin B12, which contribute to normal energy-yielding metabolism. Vitamin B12 additionally contributes to the reduction of tiredness and fatigue and to normal psychological function.

The blend features L-citrulline, CarnoSyn® beta-alanine, alpha-GPC and L-theanine alongside naturally sourced caffeine from coffee bean. Lightly flavoured with rainbow sherbet and free from artificial sweeteners, it mixes easily with water before training.

Every batch is NSF Certified for Sport®, meaning it is tested to verify label accuracy and screened for substances banned by major athletic organisations.

What sets Thorne apart is its third-party testing and certification, ensuring that the contents of the package match the label and are free from unsafe levels of contaminants like heavy metals, pesticides, and microorganisms. This commitment to purity and accuracy gives you peace of mind knowing that what you’re taking is safe and effective .

Thorne sets the standard for excellence in the supplement industry. Recommended by over 100 professional sports teams and U.S. National Teams, Thorne offers a curated bundle of clean, science-backed supplements and treats designed complement a healthy lifestyle. With more than 30 years of dedication to quality, Thorne's commitment to purity and potency begins with sustainably sourced ingredients and rigorous testing. Every supplement undergoes four rounds of testing to ensure optimal absorption, safety, and efficacy, making Thorne the trusted choice for both health-conscious individuals and professionals.

With our Healf Curation Process, we do the work for you. Shop with confidence knowing that every item has been tried, tested, and curated for you.

Learn more about each step—Brand Discovery, Expert Validation, and Community Testing—here.

L-Citrulline, CarnoSyn® Beta-Alanine✟, Alpha GPC (L-alpha-Glycerylphosphorylcholine), Caffeine (from Coffee Bean), L-Theanine, Vitamin B6 (as Pyridoxal 5'-Phosphate), Vitamin B12 (as Methylcobalamin), Natural Flavours, Maltodextrin, Acidity Regulator (Citric Acid), Acidity Regulator (Malic Acid), Anti-Caking Agent (Silicon Dioxide), Anti-Caking Agent (Calcium Silicate), Sweetener (Steviol Glycosides), Monk Fruit Extract, Vegetable Juice And Turmeric Powder (colour)

Mix 2 scoops with at least 12 ounces of water or preferred beverage daily. Consume 15-30 minutes before your workout or as recommended by your health-care practitioner.

Additional Information:

Food supplements and foods sold by Healf should not be used as a substitute for a varied, balanced diet and healthy lifestyle.

If you are pregnant, breastfeeding, have a medical condition, or are taking any medications, please consult with a healthcare professional before use. Use products only if the seal is intact. Store in a cool, dry place, out of the reach of young children. Do not exceed the recommended daily intake.

We make every effort to ensure that product information on our website is accurate and up to date, but packaging and ingredients may occasionally vary from images shown on site. Please refer to the product label and contact Healf before use if you have any questions regarding your specific allergies or intolerances.