What Our Food Scientist Won't Buy at the Supplement Store w/ Ruston Pack

What Our Food Scientist Won't Buy at the Supplement Store w/ Ruston Pack

July 6, 2026 · 35 min

About this episode

Ruston Pack discusses the realities of the supplement industry and what consumers should know about product stability and labeling.

In this episode, I sit down with Ruston Pack, our Food Scientist and Director of Quality and Regulatory at Just Ingredients, who's spent 7 years in R&D, manufacturing, and food science, and has seen firsthand some of the wildest things that happen behind the scenes in the supplement industry. Ruston pulls back the curtain on what's actually happening inside a supplement bottle between the day it's made and the day you take it, and some of it might surprise you. Here are a few of my biggest takeaways from our conversation: Supplement labels don't work like you think We talk about the difference between a Nutrition Facts Panel and a Supplement Facts Panel, and why that distinction matters. Ruston breaks down whether the amount listed on a label is exactly what's in the product, and whether companies only have to hit that number on day one, or all the way through the expiration date. Why supplements break down over time Light, oxygen, moisture, heat — supplements are fighting a slow battle against all of it from the moment they're manufactured. We get into why certain ingredients are especially hard to keep stable, and what you can look for as a consumer. Gummies are the hardest…

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