How to Read a Label
Probiotics – Refrigeration – Potency
- Superior probiotic products guarantee potency of each strain of bacteria in colony forming units (cfu) through a printed expiration date.
- The correct microbiological measure for live bacteria is colony-forming units.
- If a product does not require refrigeration, the best test of efficacy is to look at its label.
- Each bacteria should be identified correctly by the genus, species and strain (e.g. Lactobacillus acidophilus DDS-1.
- The potency of each strain should be listed in colony forming units (not milligrams) and guaranteed though the printed expiration date.
- If manufacturers use milligrams to list the quantity of bacteria, they are citing a weight of bacteria, not a measure of live bacteria. Weight does not differentiate – live and dead bacteria still weigh the same.
- Some products state potency at time of manufacture, and there is no guarantee of potency at time of consumption.
- Non- refrigerated products cannot make a genuine potency claim, no matter how they disguise the fact by the use of words that imply a guarantee. (e.g. True Potency Guarantee).
- Some products have a “cocktail” of ingredients without any science behind the formulation. Bacteria are competitive and the more durable organisms do not provide the best health benefits.

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June 9, 2009 at 12:38 am
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