Discover John Bell & Croyden

Learn how to choose probiotic strains with confidence. Understand species, strain codes, CFU, storage and formulas for your needs.

Wondering when should you take probiotics? Learn the best time to take them, with food or without, and what really affects results.

Learn how to choose high strength probiotics, what CFU and strains mean, and when a more targeted formula may suit your digestive needs.