Specializing in women's reproductive health, L.D. Collins is a pioneering British company and proud home of Cyclogest®. Our commitment to excellence is evident in our status as a world leader in progesterone products.

Cyclogest® has earned its place in over 60 countries, tried and trusted by clinical experts worldwide as the 'Gold Standard' in micronized vaginal progesterone. It stands as the preferred choice for luteal phase support.

Our unwavering dedication to women's well-being is showcased through our close collaborations with esteemed medical professionals and international partners, ensuring the highest levels of quality and service on a global scale.