Drug & supplement interaction

Weight Watchers Diet + Exenatide Synthetic

Exenatide Synthetic brand name: Bydureon BCISE.

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

Weight Watchers Diet has a moderate interaction with Exenatide Synthetic. Following the Weight Watchers diet while taking antidiabetes drugs may increase the risk of hypoglycemia.

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

Weight Watchers Diet and Exenatide Synthetic

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

Moderate

ANTIDIABETES DRUGS

Why this applies to Exenatide Synthetic

Exenatide Synthetic falls under ANTIDIABETES DRUGS — the group Weight Watchers Diet interacts with.

Following the Weight Watchers diet while taking antidiabetes drugs may increase the risk of hypoglycemia.
Hypoglycemia has occurred in a small number of patients with type 2 diabetes who are taking antidiabetes medications and following the Weight Watchers Diet. Dose adjustments of antidiabetes medications might be necessary for some people.
Severity Moderate Likelihood Possible Evidence B

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: when you follow a structured plan like WW, you're often eating fewer calories and fewer carbs, and you may be moving more. That's great for blood sugar, but Bydureon (exenatide) is already working to lower your glucose by helping your pancreas release insulin when sugar is high, slowing your stomach, and trimming your appetite. Stack a lower-calorie diet on top of that, and your numbers can drop further than expected.

The main thing to watch for is hypoglycemia, which can feel like shakiness, sweating, dizziness, hunger, or confusion. This is more likely if you also take insulin or a sulfonylurea. The evidence here is modest, but it's worth a heads-up: check your sugars more often when starting, and ask your doctor or pharmacist whether your doses need a tweak. Never change them on your own.

Contact Dr. Brian directly if you have additional questions on this interaction
References
  1. O'Neil PM, Miller-Kovach K, Tuerk PW, et al. Randomized controlled trial of a nationally available weight control program tailored for adults with type 2 diabetes. Obesity (Silver Spring). 2016;24(11):2269-2277. 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

Weight Watchers Diet Also Interacts With Other Medications

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

Moderate 85 No known interaction 2,745 (incl. Exenatide Synthetic)
Taking anything else?

Check Another of Your Medications Against Weight Watchers Diet

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

Everything else you take

See Every Supplement That Interacts With Exenatide Synthetic

This page covers Weight Watchers Diet only. If you take other supplements — a multivitamin, a sleep aid, something for joints — the Exenatide Synthetic page lists 239 supplements it has a documented interaction with, worst first, each one explained.

The most serious there right now: Siberian Cocklebur (major), Acai (moderate), African Wild Potato (moderate), Agaricus Mushroom (moderate) and Agmatine (moderate).

By severity: 1 major · 208 moderate · 30 minor.

From our pharmacist’s overview on the Exenatide Synthetic page

“Exenatide Synthetic (Bydureon BCISE) is a once-weekly injection for type 2 diabetes, and I treat its supplement list with real respect. All 239 ingredients on file act on blood sugar, and most of the 208 moderate entries are herbs and foods that lower it further, stacking extra low-blood-sugar risk onto a drug already doing that job.”

Reviewed by 2 · Jul 18, 2026

Open the Exenatide Synthetic interaction page

How much people look this up

Where Weight Watchers Diet and Exenatide Synthetic 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 Weight Watchers Diet
Steady interest

#1,248 of 1,452 supplements looked up here in the last 7 days

29 days ago today
Medication Exenatide Synthetic
Top half

#1,022 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.

Eating pattern

About Weight Watchers Diet

What is Weight Watchers Diet?

  • Weight loss
  • Weight maintenance
  • Building healthier eating habits
  • Behavioral support for diet change
  • General wellness and lifestyle improvement

Weight Watchers (now called WW) is a commercial weight-loss program built around a points system, food tracking, and group or online support rather than a pill or herbal product. Research generally shows it can help people lose a modest amount of weight and keep some of it off, especially when combined with regular activity. Talk with your doctor or pharmacist before starting any weight-loss plan, particularly if you have a medical condition.

Read the full Weight Watchers Diet monograph & all interactions
Medication

About Exenatide Injection

What Is Exenatide Injection Used For?

Brand name: Bydureon BCISE

Exenatide injection is used along with diet and exercise to improve blood sugar (glycemic) control in adults with type 2 diabetes.

It should not be combined with other exenatide-containing products.

See full Exenatide Injection drug information Exenatide NDC codes and packages
Keep checking

Other Drugs & Weight Watchers Diet

Browse every other medication we’ve checked against Weight Watchers Diet — 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
85 Moderate 2,744 No interaction
Moderate

85 interactions

Showing 60 of 85 moderate interactions — see all 85 on the Weight Watchers Diet page.

No interaction 2,744 drugs checked — show the list

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

Showing the 60 most looked-up of 2,744 medications checked with no known interaction — see the full Weight Watchers Diet list.

See the full Weight Watchers Diet interactions page
See every supplement checked against Exenatide Synthetic, 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
Weight Watchers Diet monograph › Uses, safety, and every drug interaction in one place Exenatide Synthetic supplement interactions › Every supplement checked against Exenatide Synthetic, ranked by severity Exenatide Injection drug information › The full plain-English guide to this medication Exenatide NDC codes and packages › Every package, labeler and price in the FDA directory 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

Following Weight Watchers Diet While Taking Exenatide Synthetic: Common Questions

Can you follow Weight Watchers Diet while taking Exenatide Synthetic?
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 Weight Watchers Diet and Exenatide Synthetic 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 Exenatide Synthetic and Weight Watchers Diet?

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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.