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We see a hechsher on a product and rarely stop to think about what it actually took to put it there.
In this episode, Mena Reisner is joined by Rabbi Yisroel Moshe Guttentag, Director of Certification and FedTech at KF Kosher, to go behind the scenes of modern kashrus.
What does a mashgiach really look for when walking through a factory? How do you certify products being manufactured across multiple countries, using complex ingredients, shared machinery and global supply chains? And why can foods that appear completely straightforward turn out to be anything but?
Rabbi Guttentag takes us inside the world of industrial kashrus — from ingredients and production equipment to factory inspections, dedicated machinery and the surprising problems that can emerge along the way. He explains how the level of supervision is determined, what goes into certifying major international food manufacturers, and why understanding how our food is actually made is so important.
We also explore the crucial distinction between a product that is “Certified” and one that is simply “Approved” — and what consumers should understand when relying on either.
A fascinating look at the extraordinary amount of work happening behind the scenes of something we encounter every single day: kosher food.
Timestamps:
00:00 – Introduction
02:07 – Today’s topic: What really happens behind a hechsher
03:52 – What does a kosher certification actually certify?
14:08 – Which foods really need a hechsher?
16:43 – Gummy sweets, gelatin and dedicated kosher equipment
25:52 – Steam systems and hidden cross-contamination
33:11 – International ingredients and cooperation between kosher agencies
44:29 – Wrigley’s chewing gum, gum base and factory codes
49:21 – Red Bull and multinational kosher certification
55:55 – Why canned tuna can require supervision
63:14 – Fruit juice, grape juice and shared pasteurizing equipment
71:26 – Certified vs. approved kosher products
77:09 – When approved kosher lists may be relied upon
81:24 – Ice pops and choosing certified products
85:10 – Closing thoughts on modern kashrus
