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The Root Cause Medicine Podcast

When Labels Lie: The St. John's Wort Report

The Root Cause Medicine Podcast

Kate Kresge

Alternative Health, 810564, Medicine, Health & Fitness

4.8581 Ratings

🗓️ 12 March 2026

⏱️ 17 minutes

🧾️ Download transcript

Summary

A recent analysis of 22 St. John’s Wort supplements purchased online found that only one actually matched its label for the key compound hypericin. Several products contained little to none of the active ingredient, and some appeared to use synthetic dyes to mimic the color of hypericin, potentially misleading simple testing methods (Now, 2025). Why does this matter? Because when a supplement doesn’t contain the ingredient it claims, patients may not receive the support they expect. That can lead to wasted money, confusing clinical outcomes, and lost trust in integrative care. In this episode of the Root Cause Medicine Podcast, we’re joined by Dr. Eric Viegas, Medical Product Manager at Fullscript, to unpack what this report means for clinicians and patients. We discuss how ingredient discrepancies can happen—from plant sourcing and manufacturing to risks in online marketplaces—and how practitioners can help protect patients from misleading products. We also explore what clinicians should look for when choosing supplements, including validated testing methods, Certificates of Analysis, and quality standards that help ensure products contain what the label promises.

Transcript

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0:00.0

Well, hello there and welcome back to the Rue Croskies Medicine podcast.

0:02.6

I'm Dr. Kate Kresge, your host for today, and we're back with another quality update.

0:06.1

Now, I want you to imagine recommending a supplement that is backed by extensive research,

0:09.9

only to discover that the bottle your patient bought barely contains the ingredient that's supposed to make it work.

0:15.9

That's the uncomfortable reality behind a recent analysis of St. John's work products sold online.

0:21.1

Out of 22 supplements tested, only one actually met label claim for the key active compound,

0:26.4

Hyperison. Several others contained no detectable hyperison at all. And some appeared to use

0:31.5

synthetic dyes to mimic the color of the compound in laboratory tests. So why does this matter?

0:36.7

Because when a medicinal compound isn't in a supplement or isn't there in the right amount, the expected outcomes don't show up either. The patient doesn't get better, even though they spent the money and put in the effort. And when this happens, it doesn't just undermine the supplement. It can undermine patient trust, clinical decision making, and confidence in integrative care. We can't have that. In this episode,

0:55.6

I'm joined by Dr. Eric Fierquez, medical product manager at Fulscrip, to unpack what this report

1:00.1

reveals about supplement potency, why hyperison labeling matters for clinicians, and what health care

1:04.9

providers should look for when evaluating botanical products like St. John's work. We'll also explain

1:09.5

how ingredient mislabeling can happen,

1:11.3

from plant sourcing to manufacturing to online marketplaces, and what systems are emerging to help

1:15.7

everyone feel more confident that what's on the label is actually in their bottle. Before we get

1:21.0

started, though, I've got a special question for the practitioners in the audience. Practitioners,

1:25.1

what if your supplement dispensing, patient education, and treatment

1:28.3

planning all lived in one powerful platform built for whole person care? And what if that platform was

1:34.6

free for both you and your patients while saving you hours each week on treatment planning and follow-up?

1:40.3

Well, meet full script. The comprehensive care delivery platform designed to reduce administrative burden and enhance

1:45.7

clinical impact.

1:47.3

From automated refills and lab ordering with interpretation, to evidence-based protocols,

...

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