Key Benefits 

• With B vitamins and zinc—essential for mind and mood support

• Vitamins B3, B6, biotin, and folic acid contribute to normal psychological function

• Zinc supports normal cognitive function

• Vegan and vegetarian-friendly formula

Serotone 5-HTP brings together Griffonia simplicifolia seed extract with a carefully chosen blend of B vitamins and zinc, designed to fit seamlessly into your daily routine.

Vitamins B3 (niacin), B6, biotin, and folic acid all contribute to the maintenance of normal psychological function, while zinc supports normal cognitive function—helping you feel ready for whatever the day brings.

Higher Nature’s Serotone is made with quality and purity in mind. Each capsule is vegan and vegetarian-friendly, so you can feel confident in your choice.

Since 1994, Higher Nature has been dedicated to pioneering nutrition and creating high-quality supplements for everyone, from kids and teens to adults. Founded by Celia and Brian Wright in Sussex, the company builds on Celia's legacy with a focus on wellness and effectiveness. Their product range includes vitamins, minerals, probiotics and omega 3, all made with the latest science. From colloidal silver to fish oil and collagen supplements, Higher Nature’s supplements are known for their premium quality and natural benefits. Each product uses high-quality, ethically sourced ingredients that are fully traceable. Most of their supplements are vegetarian, and many are vegan. Independently-owned, Higher Nature is committed to ethical standards, avoiding artificial colours, preservatives and sweeteners. The company works with experts like Prof. Neil Ward at Surrey University to ensure their supplements offer the best absorption and benefits, with formulas developed based on scientific evidence for safety and effectiveness, and active ingredients used at effective levels.

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.

Griffonia simplicifolia seed standardised extract, capsule shell (hydroxypropyl methylcellulose), bulking agent (microcrystalline cellulose), nicotinamide (vitamin B3), zinc citrate, anti-caking agents (magnesium stearate, silicon dioxide), pyridoxal-5-phosphate (vitamin B6), pyridoxine hydrochloride (vitamin B6), pteroylmonoglutamic acid (folic acid), biotin.

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.

Adults take 1 capsule a day, ideally before bed with a carbohydrate snack. Do not exceed recommended daily intake. Food supplements should not be used as a substitute for a varied and balanced diet and healthy lifestyle.

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.