Key Benefits

• With magnesium, DHA, betaine, and riboflavin to help maintain normal brain function and support cognitive health.

• Magnesium and riboflavin contribute to the reduction of tiredness and fatigue—ideal for busy days.

• Magnesium supports normal functioning of the nervous system and psychological function, while riboflavin also helps your nervous system work as it should.

• NSF Certified for Sport® for trusted quality and peace of mind.

Stay focused and energised with SynaQuell+ NSF-Certified for Sport®—a thoughtfully crafted blend of magnesium, DHA, betaine, and riboflavin. Magnesium and riboflavin help reduce tiredness and fatigue, so you can keep up with life’s demands. DHA supports the maintenance of normal brain function, while betaine contributes to normal homocysteine metabolism.

This advanced formula combines vitamins, minerals, and plant extracts to help you stay mentally sharp, day after day.

SynaQuell+ NSF-Certified for Sport® offers a unique level of assurance for athletes, as every batch undergoes rigorous testing for compliance with label claims and to ensure it is free from over 200 substances banned by major athletic organisations. This certification guarantees that the product meets the highest standards of quality and safety, giving you confidence in both its effectiveness and reliability. With SynaQuell+, you can enhance brain function and cognitive health without compromising on safety or performance.

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 to fuel your body naturally and effectively. 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.

Beta Hydroxybutyrate (as Magnesium Beta Hydroxybutyrate), Betaine Anhydrous (Trimethylglycine), Coenzyme Q10, Curcumin Phytosome (Meriva), DHA (Docosahexaenoic Acid), Glutathione (Reduced), L-Isoleucine, L-Leucine, L-Valine, Magnesium (as Magnesium Bisglycinate), Magnesium Beta Hydroxybutyrate, Nicotinamide Riboside, Riboflavin (as Riboflavin 5'-Phosphate Sodium), Trans-Resveratrol, Other Ingredients: Carboxymethylcellulose Gum, Citric Acid, Flavors, Rebaudioside A.

Shipping

At Healf, we prioritize safe and fast delivery for all our customers. Our carefully selected couriers are Royal Mail and DPD.

UK standard delivery

Enjoy free standard delivery on orders above £50, this option usually requires 2-3 working days. If your order is under £50, this delivery option is available for £3.99.

Next working day

For when you need our products urgently, we offer next working day shipping for £5.99. For orders placed before 12.00, we will ship it the same day to ensure you receive your order the next working day.

International

International deliveries can take 7 working days, and up to 4 weeks. The cost is £22.99 for orders below £50, £49.95 for orders above.

Returns

If for any reason you are not satisfied with your order, we provide free 365-day UK returns for all our customers. To initiate your return, simply contact us at team@healf.com, and we'll send you a return slip and help arrange a collection. The item you return must be sent in the same condition as received and inside the original packaging. Once received, we will notify you via email.

For international returns, we unfortunately do not cover the cost. However, we work with an array of carriers and can offer self-posting returns for customers shopping from outside the UK.

Mix 1 scoop with at least 12 ounces of water two times daily or as recommended by your healthcare 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.