The claim
What the sources said on tape, each linked to the minute they said it.
Attia explains that probiotics must survive degradation from stomach acid to reach the gut and function effectively.
Peter Attia, at 1:24:48 · Probiotic Survival and Reconstitution in the Gut283 ‒ Gut health & the microbiome: improving and maintaining the microbiome, probiotics, & more
Fahey identifies survival through gastric acid as a key limitation of current probiotic supplements.
Jed Fahey, at 38:16 · Probiotics and Future FormulationsJed Fahey, Sc.D. on Isothiocyanates, the Nrf2 Pathway, Moringa & Sulforaphane Supplementation
Dhir explains that special protective capsules are required to keep probiotic organisms from being destroyed by stomach acid.
Raja Dhir, at 33:28 · Evaluating Probiotic Quality and Delivery SystemsThe Root Cause Of Disease: How To Fix Your Gut Health For Overall Health & Longevity | Raja Dhir
Each line paraphrases the chapter it links to. These are summaries, not quotes. The timestamp is the receipt, so check it against the tape.
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