Key Benefits

• Plant-powered support for your daily movement and flexibility.
• Formulated to help you maintain joint comfort as you move.
• Features ingredients chosen for their traditional use in supporting mobility.

Start each day with Flex and feel ready to take on whatever life brings. This expertly crafted formula combines botanicals and nutrients, designed for those who want to keep moving with ease and confidence.

Flex fits effortlessly into your routine, supporting your active lifestyle with a thoughtful blend of plant-based ingredients.

With continued use, Flex helps you stay comfortable and mobile, so you can focus on what you love.

What's inside:

CurcuWIN Turmeric: specially formulated for enhanced absorption.

Glucosamine Sulfate 2KCI (from maize): a key nutrient found in joint tissue.

Phytodroitin: a plant-based alternative to chondroitin, supporting your plant-powered routine.

OptiMSM Methylsulfonylmethane: provides sulphur, a building block of connective tissues.

AprèsFlex Boswellia Serrata: used in traditional practices to support mobility and comfort.

Performance Lab was created by the team at Opti-Nutra to raise the bar in supplement formulation. Every product is crafted with clean, clinical-grade ingredients—free from synthetics, additives, and fillers—and designed for optimal bioavailability and synergy. With a focus on scientifically backed doses, their range includes nootropics, multivitamins, and performance blends that support energy, cognition, and recovery. Performance Lab delivers minimalist, data-driven nutrition that helps you perform at your best, mentally and physically, every single day.

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.

Turmeric (Curcuma longa) - root, as CurcuWIN; Boswellia serrata - gum resin, as AprèsFlex; Glucosamine Sulfate 2KCL (from maize); Phytodroitin (mucopolysaccharide extract); Methylsulfonylmethane (MSM) as OptiMSM. Capsule: Pullulan (NutriCaps); Rice Concentrate (Nu-FLOW).. Suitable for vegans: Contains NO soy, peanut, tree nuts, or wheat. Free of gluten, caffeine and artificial additives, colours and preservatives. Non-GMO and non-irradiated.

For best results take 2 capsules in the morning. Take a further 2 later in the day if required.

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.