Drug & supplement interaction

Jiaogulan + Atezolizumab

Atezolizumab brand name: Tecentriq.

Moderate Interaction
Medically reviewed by · Updated September 2026
The bottom line Moderate

Jiaogulan has a moderate interaction with Atezolizumab. Theoretically, jiaogulan might decrease the effectiveness of immunosuppressive therapy.

Read the full interaction report
SeverityModerate
LikelihoodPossible
EvidenceD
What do Severity, Likelihood & Evidence mean?
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Interaction report

Jiaogulan and Atezolizumab

Here is the interaction we found between these two, with the evidence behind it.

Moderate

IMMUNOSUPPRESSANTS

Why this applies to Atezolizumab

Atezolizumab falls under IMMUNOSUPPRESSANTS — the group Jiaogulan interacts with.

Theoretically, jiaogulan might decrease the effectiveness of immunosuppressive therapy.
Clinical and animal studies suggest that jiaogulan can stimulate the immune system.
Severity Moderate Likelihood Possible Evidence D

Interaction has been documented in animal or in lab research, or the interaction has been documented in humans but is limited to case reports or conflicting clinical research exists.

Dr. Brian Staiger, PharmD, BCPS
Dr. Brian Staiger explains PharmD, Clinical Pharmacist

Here's an interesting wrinkle with this pairing. Atezolizumab (Tecentriq) isn't a typical immunosuppressant. It's actually designed to wake up your immune system so it can attack cancer cells. So the usual concern about jiaogulan weakening immune-suppressing drugs doesn't translate cleanly here.

The theory on file is that jiaogulan may stimulate the immune system. With a drug like atezolizumab that already revs up immune activity, there's a theoretical question about whether adding an immune-stimulating herb could nudge things further, possibly affecting how your treatment behaves or your risk of immune-related side effects. I want to be honest though: this is based on lab and animal data, not solid human studies, so we just don't know. Because you're in cancer treatment, please clear any supplement with your oncology team first.

Contact Dr. Brian directly if you have additional questions on this interaction
References
  1. The Review of Natural Products by Facts and Comparisons. St. Louis, MO: Wolters Kluwer Co., 1999.
  2. Li Y, Lin W, Huang J, Xie Y, Ma W. Anti-cancer effects of Gynostemma pentaphyllum (Thunb.) Makino (Jiaogulan). Chin Med. 2016 Sep 27;11:43. Review. PubMed

What These Ratings Mean

Every interaction above is graded three ways — here’s the key to each label.

Severity how clinically significant the interaction is
Major

Clinically significant. Avoid the combination, or use only under close professional supervision.

Moderate

Usually worth avoiding or managing — may need monitoring, a dose change, or timing apart.

Minor

Generally not serious. Be aware of it and mention it to your pharmacist.

Likelihood how strong the evidence is that the interaction actually happens in people
  • LikelyWell-controlled human studies have demonstrated the likely existence of this interaction.
  • ProbableInteraction has not been documented in well-controlled studies, however, the interaction has been demonstrated in some small human studies or in controlled animal studies in conjunction with multiple case reports.
  • PossibleInteraction has been documented in animal or in lab research, or the interaction has been documented in humans but is limited to case reports or conflicting clinical research exists.
  • UnlikelyInteraction has been demonstrated in animal or in lab research but has been shown not to occur in humans.
Evidence the quality of the studies behind the rating (graded A–D)
  • AHigh-quality meta-analysis (quantitative systematic review).
  • BCase-control study.
  • CConsensus.
  • DAnecdotal evidence.

These ratings are for information only. Never start, stop, or otherwise change your therapy before speaking with your provider.

Keep it in perspective

Jiaogulan Also Interacts With Other Medications

Jiaogulan has 326 moderate known drug interactions in our database — the Atezolizumab one above is one of them. If you take anything else, check it against the full list below.

Moderate 326 No known interaction 2,504 (incl. Atezolizumab)
Taking anything else?

Check Another of Your Medications Against Jiaogulan

Covers the 2,830 medications we’ve checked against Jiaogulan. Pick one to open its full report.

Everything else you take

See Every Supplement That Interacts With Atezolizumab

This page covers Jiaogulan only. If you take other supplements — a multivitamin, a sleep aid, something for joints — the Atezolizumab page lists 54 supplements it has a documented interaction with, worst first, each one explained.

The most serious there right now: Active Hexose Correlated Compound (ahcc) (moderate), Alfalfa (moderate), American Ginseng (moderate), Andrographis (moderate) and Ashwagandha (moderate).

By severity: 52 moderate · 2 minor.

From our pharmacist’s overview on the Atezolizumab page

“Atezolizumab (Tecentriq) is cancer immunotherapy, a drug designed to release the brakes on your own immune system so it can attack tumors. That mechanism explains why nearly every one of the 54 supplements and herbs on this page made the list: 53 are flagged because they appear to stimulate immune activity, based mostly on lab and anim…”

Reviewed by 2 · Jul 18, 2026

Open the Atezolizumab interaction page

One more smart check

Taking Jiaogulan as Part of a Dietary Supplement Product? Check It for Interactions

We hold 452 real supplement products containing Jiaogulan, each one broken down to its full ingredient list — and combination products often carry several ingredients besides Jiaogulan. Your product may carry other ingredients that interact with Atezolizumab too, on top of Jiaogulan — and those would not show on this page. Find your product and we’ll check every ingredient on its label:

How much people look this up

Where Jiaogulan and Atezolizumab Sit Against Everything Else

Out of every supplement and medication people look up on HelloPharmacist, here is where these two land this week — and which way each has been moving.

Supplement Jiaogulan
Top half

#382 of 1,452 supplements looked up here in the last 7 days

29 days ago today
Medication Atezolizumab
Steady interest

#2,209 of 2,830 medications looked up here in the last 7 days

29 days ago today

Position among everything looked up on this site, not a measure of how commonly either one is used or how important it is. A supplement can climb this list because of a news story. It counts every request to the page, automated ones included, and nothing here identifies anyone.

Supplement

About Jiaogulan

What is Jiaogulan?

Jiaogulan
  • Fatigue and stress (adaptogen)
  • Blood sugar support
  • High blood pressure
  • High cholesterol
  • Immune and general wellness

Jiaogulan is a climbing vine used in traditional Chinese medicine as an adaptogen and for heart, blood sugar, and cholesterol support. Early human and animal studies are promising for some uses like metabolism and blood pressure, but the overall evidence is still limited. Talk with your pharmacist or doctor before starting it, especially if you have a health condition or take medication.

Read the full Jiaogulan monograph & all interactions
Medication

About Atezolizumab Injection

What Is Atezolizumab Injection Used For?

Brand name: Tecentriq

Tecentriq (atezolizumab) is used to treat a range of cancers in adults. It can be used alone or combined with other cancer medicines depending on the cancer type and stage. Approved uses include non-small cell lung cancer (NSCLC) — both after surgery and in metastatic (spread) disease — extensive-stage small cell lung cancer (ES-SCLC), unresectable or metastatic hepatocellular carcinoma (liver cancer), BRAF V600 mutation-positive melanoma, and muscle invasive bladder cancer after surgery.

Tecentriq is also approved — as a single agent — for adult and pediatric patients aged 2 and older with unresectable or metastatic alveolar soft part sarcoma (ASPS), a rare soft tissue cancer. Several of these uses require tumor testing (such as PD-L1 expression or specific gene mutations) before Tecentriq is selected as treatment.

See full Atezolizumab Injection drug information
Keep checking

Other Drugs & Jiaogulan

Browse every other medication we’ve checked against Jiaogulan — both the ones with a known interaction and the ones without. Select any drug for the full detail.

0Major
326Moderate
0Minor
2,503No known interaction
326 Moderate 2,503 No interaction
Moderate

326 interactions

Showing 60 of 326 moderate interactions — see all 326 on the Jiaogulan page.

No interaction 2,503 drugs checked — show the list

We also checked Jiaogulan against these medications and found no known interaction in our sources. Open any page to confirm.

Showing the 60 most looked-up of 2,503 medications checked with no known interaction — see the full Jiaogulan list.

See the full Jiaogulan interactions page
See every supplement checked against Atezolizumab, ranked by severity
Sources

Sources & How We Checked

Interaction details are evidence-graded and sourced from the Natural Medicines database. The medication overview comes from MedlinePlus.

Content is written and reviewed by licensed HelloPharmacist pharmacists. See our data sources and editorial standards for how this information is built and checked.

Parts of this content are provided by the Therapeutic Research Center, LLC.

DISCLAIMER: Currently this does not check for drug-drug interactions. This is not an all-inclusive comprehensive list of potential interactions and is for informational purposes only. Not all interactions are known or well-reported in the scientific literature, and new interactions are continually being reported. Input is needed from a qualified healthcare provider including a pharmacist before starting any therapy. Application of clinical judgment is necessary.

© 2021 Therapeutic Research Center, LLC

Keep exploring
Jiaogulan monograph › Uses, safety, and every drug interaction in one place Atezolizumab supplement interactions › Every supplement checked against Atezolizumab, ranked by severity Atezolizumab Injection drug information › The full plain-English guide to this medication Supplement interaction checker › Check any supplement or product against your medications Browse medications A–Z › Every drug we've checked against herbs & supplements Ask a pharmacist › Free, personal answer from our licensed team
Pharmacist Counseling Corner

Taking Jiaogulan and Atezolizumab Together: Common Questions

Can you take Jiaogulan with Atezolizumab?
There is a moderate interaction, so it may be acceptable with monitoring or timing changes — but check with your pharmacist first. Read the full details on this page and confirm with your pharmacist before combining them.
How serious is the Jiaogulan and Atezolizumab interaction?
We rate it Moderate. This combination may require monitoring, a dose adjustment, or separating the times you take each one. Consult your pharmacist before using them together.

Written and reviewed by the HelloPharmacist editorial staff. Our editorial policy

Still Have a Question About Atezolizumab and Jiaogulan?

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This information is for education only and is not a substitute for professional medical advice. Always check with your pharmacist or doctor before starting, stopping, or combining supplements and medications.