Guide
Probiotics powder and liquid: forms, drinks and what to check
Probiotic drinks, powders and liquids compared with a capsule: what each is, how storage affects live counts, and how often to take them.
A probiotic drink is either a fermented drink such as kefir or kombucha, or a powder or liquid supplement mixed into a drink. A fermented drink is not automatically a probiotic, and no trial sets how often to drink either. Follow the label of the product you buy. We sell a capsule.
What is a probiotic drink?
An expert panel's definition says a probiotic is a live microorganism given in an adequate amount that has been shown to benefit the host, and requires an identified strain and a known amount. The same group defines fermented foods as foods made through desired microbial growth, and says they are not the same thing as probiotics. So a fermented drink contains microbes made through fermentation; it is a probiotic only if it meets that definition. A review of fermented foods found no randomized trials of kombucha for gut effects and very limited clinical evidence for most fermented foods. See probiotics tea for kombucha.
Probiotics powder and liquid supplements
Powders and liquids are the same organisms in a different delivery form. The difference that matters is stability. In a laboratory study of spray-dried probiotic lactobacilli, survival through drying was strain-dependent, and counts in stored powders fell 30 to 140-fold over 8 weeks at 37 degrees C in one recipe and far more with another. In another lab study, a fruit powder with Lactobacillus plantarum lost viability over 90 days under every drying method, and kept more at 4 degrees C than at 25. Both are laboratory studies of specific recipes, not of any product we sell, but they are why storage instructions and the dated count matter. A review of 249 trials found effects are strain-specific and purpose-specific; powders are judged the same way as capsules.
Compare powders by live count and when it was counted, named strains, other ingredients (sweeteners, fibre) and price per serving, with a scoop counted as a serving. See how to choose a good probiotic. Pet powders are not covered here.
Questions people ask
How often should you drink probiotics?
No trial sets a frequency for drinks in general. Follow the product's label. For a fermented drink there is no labelled dose.
What are probiotics drinks, and what is a probiotic drink?
Kefir, kombucha and similar fermented drinks, and supplement powders or liquids. See the definition above.
What does drinking probiotics do?
We make no claim about a drink. The reviews we cite found probiotic effects depend on the strain and the purpose, and found very limited clinical evidence for most fermented foods.
When to drink them?
No timing study applies to drinks. One lab model of the upper gut found one capsule survived best with or just before a meal. See the best time to take probiotics.
What we sell
Electric Tiger Probiotic 20 Billion CFU: 20 billion CFU at the time of manufacture per capsule, from 13 listed organisms (species only), one capsule daily with 6–8 oz of water, as low as $14.39 a bottle on subscription. It is a capsule; we make no powder or drink.
Sources
- Expert consensus document. The International Scientific Association for Probiotics and Prebiotics consensus statement on the scope and appropriate use of the term probiotic A 2014 international expert consensus statement defined 'probiotic' as a specific, identified live microorganism given in a known, adequate amount that has been shown to produce a health benefit — not a general term for any product containing live bacteria.
- The International Scientific Association for Probiotics and Prebiotics (ISAPP) consensus statement on fermented foods Experts define fermented foods by how they are made, and say they are not the same thing as probiotics.
- Fermented Foods: Definitions and Characteristics, Impact on the Gut Microbiota and Effects on Gastrointestinal Health and Disease A review found no randomized trials of kombucha, miso, kimchi or tempeh for gut effects, and very limited clinical evidence for most fermented foods.
- Comparative survival of probiotic lactobacilli spray-dried in the presence of prebiotic substances In a lab study of probiotic powders, how many cells survived drying and storage depended on the strain, the recipe and the temperature.
- Impact of Foam Mat Drying Methods on Physicochemical Properties, Anthocyanin Stability, and Probiotic Viability in Jamun (Syzygium Cumini) Juice Powders In a lab study of a fruit powder with one added strain, the count fell over 90 days, more with hot-air drying than freeze drying.
- Choosing an appropriate probiotic product for your patient: An evidence-based practical guide A review of 249 trials found probiotic effects depend on the exact strain and the purpose, and many products have no trial of their own.
*These statements have not been evaluated by the Food and Drug Administration. This product is not intended to diagnose, treat, cure, or prevent any disease.
