


High-strength, shelf-stable, dairy-free probiotic supplement delivering 50 billion CFUs from ten researched strains. Designed for easy daily use and tested to NSF Certified for Sport® standards.
In stock. Next day delivery available.
Healf Zone members get free next day delivery on all orders.




Key Benefits
Delivers 50 billion CFUs per capsule.
Contains 10 researched bacterial strains.
Shelf-stable, no refrigeration needed.
Fully disclosed strain transparency.
NSF Certified for Sport® tested.
Probiotic 50 is a high-strength probiotic supplement designed for daily use. Each capsule delivers 50 billion colony forming units (CFUs) from ten well-researched bacterial strains. The formula is shelf-stable and does not require refrigeration, making it easy to use at home or when travelling. All strains are clearly listed, with full transparency on the specific strain types included. Probiotic 50 is dairy-free, gluten-free, soy-free, non-GMO, and suitable for vegan diets.
The capsule format fits simply into daily routines and can be taken alongside meals. Probiotic 50 offers a straightforward way to include a high-CFU, multi-strain probiotic as part of regular nutritional intake.
Designs for Sport Probiotic 50 differs from many probiotics by offering full transparency on the identity and CFU counts of each strain, rather than broad or undefined listings often seen elsewhere. Its delayed-release technology and formulation with strains selected for tolerance to stomach acid and bile salts aim to support better survivability through the digestive system, and its moisture-, oxygen- and light-resistant packaging helps preserve potency without refrigeration. With NSF Certified for Sport® status and a formula free from gluten, dairy, soy, and GMO, it provides clarity, consistency, and quality for those looking for a precise, stable probiotic formula to complement their wellbeing routines.
As a division of Designs for Health, founded in 1989, Designs for Sport exists to support high-performance athletes with nutritional products developed with purpose and precision. Built on a science-first philosophy, the brand creates formulations specifically for the trainers and practitioners who support athletes every day, focusing on synergistic ingredients and clinically relevant quantities rather than trends. Products are designed by healthcare professionals and manufactured in FDA-compliant, NSF-audited GMP facilities, with rigorous testing to verify identity, purity, strength, and composition.
With over 20 products certified by NSF Certified for Sport®, the range meets strict standards for purity and banned-substance testing. This research-driven approach brings decades of formulation expertise into the athletic space, earning the trust of athletes and professionals working at the highest levels of performance.
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.
Probiotic Blend (50 Billion CFU) Lactobacillus plantarum (UALp-05™) 20 Billion CFU Lactobacillus acidophilus (-14) 10 Billion CFU Lactobacillus rhamnosus (GG) 3 Billion CFU Lactobacillus paracasei (UALpc-04™) 5 Billion CFU Lactobacillus casei (UALc-03™) 3 Billion CFU Lactobacillus salivarius (LS-33™) 2 Billion CFU Bifidobacterium bifidum (UABb-10™) 1 Billion CFU Bifidobacterium longum (BI-05™) 1 Billion CFU Bifidobacterium animalis lactis (HN019) 2 Billion CFU Bifidobacterium breve (Bbr8) 3 Billion CFU, Bulking Agent (Microcrystalline Cellulose), Capsule (Hypromellose, Gellan Gum, Water), Medium Chain Triglycerides, Anti-Caking Agent (Silicon Dioxide)
As a dietary supplement, take 1 capsule per day with a meal, at any time of day, or as directed by your health care practitioner.
Every product undergoes our Healf Curation Process. With it, you can shop confidently knowing that every item has been tried and tested before it reaches you. Our Healf Curation Process includes three key steps: Brand Discovery, Expert Validation, and Community Testing. Through these, we assess quality, ingredients, effectiveness, and more, ensuring that every product empowers your wellbeing.
The Healf Source offers detailed insights into different aspects of wellbeing, as well as guidance, research, recipes, and more to help you invest in your personal wellbeing journey. You can also subscribe to our weekly newsletters for the latest updates at Healf and in the wellbeing industry. Subscribe via the sign-up block at the bottom of this page.
We love people who check ingredients as carefully as we do, so you'll find detailed information about the ingredients used on every product page (where applicable). If you see something you'd like to flag with us or have additional questions, please don't hesitate to get in touch—we'd love to hear from you.
Every product undergoes our rigorous Healf Curation Process, ensuring you are always getting the best when it comes to your wellbeing.





