Drug & supplement interaction

Elderflower + Linagliptin

Linagliptin brand name: Tradjenta.

Moderate Interaction
The bottom line Moderate

Elderflower has a moderate interaction with Linagliptin. Theoretically, elderflower might increase the risk of hypoglycemia when taken with antidiabetes drugs.

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

Elderflower and Linagliptin

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

Moderate

ANTIDIABETES DRUGS

Why this applies to Linagliptin

Linagliptin falls under ANTIDIABETES DRUGS — the group Elderflower interacts with.

Theoretically, elderflower might increase the risk of hypoglycemia when taken with antidiabetes drugs.
In vitro research suggests that elderflower might lower blood glucose levels. Monitor blood glucose levels closely.
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 the simple version: elderflower may have a mild blood sugar lowering effect of its own. Since linagliptin (Tradjenta) is already working to bring your blood sugar down, stacking the two together could, in theory, push your numbers a little lower than expected. This isn't about elderflower changing how your body breaks down linagliptin, it's just two things nudging blood sugar in the same direction.

I want to be honest about the evidence here, though. This concern comes only from lab studies, not from real people, so it's more of a heads-up than a red alert. If you do use elderflower regularly, it's reasonable to check your blood sugar a bit more often and watch for lows (shakiness, sweating, dizziness). Linagliptin alone rarely causes hypoglycemia, so the bigger risk shows up if you also take insulin or a sulfonylurea. Chat with your pharmacist or doctor before adding it.

References
  1. Gray AM, Abdel-Wahab YH, Flatt PR. The traditional plant treatment, Sambucus nigra (elder), exhibits insulin-like and insulin-releasing actions in vitro. J Nutr 2000;130:15-20. 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

Elderflower Also Interacts With Other Medications

Elderflower has 85 moderate known drug interactions in our database — the Linagliptin one above is one of them. If you take anything else, check it against the full list below.

Taking anything else?

Check Another of Your Medications Against Elderflower

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

Everything else you take

See Every Supplement That Interacts With Linagliptin

This page covers Elderflower only. If you take other supplements — a multivitamin, a sleep aid, something for joints — the Linagliptin page lists 284 supplements it has a documented interaction with, worst first, each one explained.

The most serious there right now: Activated Charcoal (major), Siberian Cocklebur (major), St. John's Wort (major), Acai (moderate) and Adrafinil (moderate).

By severity: 3 major · 240 moderate · 41 minor.

From our pharmacist’s overview on the Linagliptin page

“Linagliptin (Tradjenta) helps people with type 2 diabetes bring blood sugar down, so most of the 284 supplements and herbs on this page interact for one basic reason: they lower glucose too, and stacking them can drop you into hypoglycemia. I'd read this list with genuine care rather than a shrug.”

Reviewed by 2 · Jul 18, 2026

Open the Linagliptin interaction page

How much people look this up

Where Elderflower and Linagliptin 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 Elderflower
Steady interest

#1,387 of 1,452 supplements looked up here in the last 7 days

29 days ago today
Medication Linagliptin
Top half

#1,085 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 Elderflower

What is Elderflower?

  • Colds and flu
  • Sinus congestion
  • Fever and sweating
  • Sore throat
  • Coughs

Elderflower comes from the elder plant (Sambucus nigra) and is traditionally used as a tea or extract for colds, sinus congestion, and fever. Good-quality human evidence is limited, so it should be seen as a soothing traditional remedy rather than a proven treatment. Raw or unripe parts of the plant can be toxic, so use only properly prepared products, and check with your pharmacist or doctor first.

Read the full Elderflower monograph & all interactions
Medication

About Linagliptin

What Is Linagliptin Used For?

Brand name: Tradjenta

Tradjenta (linagliptin) is used to help control blood sugar in adults with type 2 diabetes. It is meant to be used together with healthy eating and regular exercise, not as a replacement for them.

Linagliptin is not for type 1 diabetes, and it has not been studied in people with a history of pancreatitis.

See full Linagliptin drug information
Keep checking

Other Drugs & Elderflower

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

0Major
85Moderate
0Minor
2,744No known interaction
Moderate

85 interactions

Showing 60 of 85 moderate interactions — see all 85 on the Elderflower page.

No interaction 2,744 drugs checked — show the list
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

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Pharmacist Counseling Corner

Taking Elderflower and Linagliptin Together: Common Questions

Can you take Elderflower with Linagliptin?
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 Elderflower and Linagliptin 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

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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.