Through expiry vs at manufacture: what a probiotic CFU claim means
A CFU count at manufacture and one guaranteed through expiry are different promises. Here's how they compare, and what label testing studies have found.
Resource center
Resource Center
Straight answers about bloating, digestion and the gut after 40.
A checklist for judging supplement quality before you buy
Supplement labels aren't always accurate. Here's what third-party testing seals mean, what they don't, and a checklist for choosing well.
Lactose intolerance after 40: myths and facts
Most people who malabsorb lactose can still handle some dairy, and many who blame lactose aren't malabsorbers. Six myths, checked against the research.
What does CFU mean on a probiotic label?
CFU tells you roughly how many live microbes are in a dose. It doesn't tell you whether more is better. Straight answers to common...
Magnesium oxide, citrate or glycinate? How the forms compare
Magnesium comes in many forms, and they differ in absorption and in how they affect your gut. Here's how oxide, citrate and glycinate compare.
The other ingredients line on supplements: your questions answered
Fillers, capsule shells, sweeteners and colors live in the small print under the Supplement Facts box. Here's what matters for a sensitive gut.
Digestive enzyme supplements: straight answers to common questions
What digestive enzymes do, whether your body makes fewer with age, what the trials on enzyme blends found, and how to use them sensibly.
How to read a probiotic strain name, step by step
Genus, species, strain code: a probiotic name has three parts, and the last one matters most. Here's how to decode it and why two...
RDA, Daily Value and upper limit: what the numbers really mean
RDA, Adequate Intake, Daily Value and upper limit sound alike but mean different things. Here's how to use each one when you read a...
Why a big meal can leave you feeling heavy for hours
That too-full feeling that lasts until bedtime has a name, a few known triggers and some simple fixes. Here's what happens in your stomach...
Probiotic, prebiotic, synbiotic, postbiotic: what the words mean
Probiotic, prebiotic, synbiotic, postbiotic: each word has a precise scientific definition. Here's what they mean and how to spot a label using them loosely.
How to read a Supplement Facts label, line by line
Serving size, amount per serving, %DV and the fine print underneath. A plain-language walk through the panel on the back of every supplement bottle.