Vital substances

Bio-Strath contains 61 vital substances naturally present in herbal yeast

Yeasts: small but powerfull

Yeasts, single-celled, miniature organisms, are invested with immense biological activity. read more

Yeasts and Candida

We are well advised to treat them with the necessary respect... read more



The secret of Bio-Strath herbal yeast




“It was quite clear with the help of all those pictures. And it is hard to find all natural supplements these days. I have been using A. Vogel over 40 yrs and am looking forward to try this product as well. Thank you for all your informative emails and video's, I always learn something new from them. Keep up the good work, I will be a happy customer (and fan) for life.”

Martine Veldman

Alfred Vogel's guide to leading a healthy and happy life

Nature is just about the best thing we’ve got!

Watch the video