Pair-specific label analysisNOW Probiotic-10 25 Billion vs NOW Probiotic-10 100 Billion
Both products declare ten strains and use one capsule per serving. The 25 Billion label permits one or two capsules per day, while the 100 Billion label directs one capsule per day and carries a recorded refrigeration instruction.
Written by Paolo Tozzo · Publisher and reviewer
Last reviewed August 2, 2026
Declared CFU and label directions
NOW Probiotic-10 25 Billion declares 25 billion CFU and ten strains per one-capsule serving, with one to two servings directed per day. NOW Probiotic-10 100 Billion declares 100 billion CFU and ten strains per one-capsule serving, with one serving directed per day. The stated CFU values and daily ranges should remain attached to their respective label denominators.
Storage and price context
The 100 Billion record includes a keep-refrigerated instruction; storage is therefore a material practical difference to check on the current label. The selected snapshots are $19.99 for 30 servings of the 25 Billion product and $44.99 for 30 servings of the 100 Billion product.
Limits of the comparison
A larger declared CFU number or a particular strain count does not establish viability at use, effectiveness, safety, tolerance, or suitability. This comparison reports label declarations, directions, storage information, and attributed prices only.