Drug & supplement interaction

Volumetrics Diet + Iopamidol

Iopamidol brand name: Isovue.

No Known Interaction
The bottom line No known interaction

We found no known interaction between Volumetrics Diet and Iopamidol in our sources. Absence of a documented interaction is not the same as proven safety, and does not guarantee one does not exist. Do not start, stop, or change a medication or supplement based on this page; confirm with your pharmacist or doctor first.

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Interaction report

Volumetrics Diet and Iopamidol

We checked these two against our interaction database. Here is what we found.

No Known Interaction Found

We did not find a documented interaction between Iopamidol and Volumetrics Diet in our sources. This does not guarantee that the combination is completely free of risk — research on Volumetrics Diet alongside specific medications may be limited.

Worth understanding: our licensed dataset holds no drug-interaction record for Volumetrics Diet at all — not against Iopamidol, and not against any other medication we track. This verdict therefore rests on the absence of any recorded data, not on research that looked at this combination and found nothing. We cannot rule an interaction out.

Volumetrics Diet is an eating pattern rather than something you take. Ask your pharmacist or doctor before changing how you eat while on a prescribed medicine: some medicines are dosed around meals, and a change in diet can change how they work. Do not stop a prescribed medicine on your own.

Always talk with your pharmacist or doctor before making changes to your medications or supplements, particularly if you take several medications or have an ongoing health condition.

Volumetrics Diet safety at a glance

Volumetrics Diet overall Generally safe As a balanced whole-food eating pattern, it is generally safe for most healthy adults.
Pregnancy Use caution Pregnancy is not a time for active weight loss; talk with your doctor before changing your diet.
Breastfeeding Use caution Nursing parents have higher calorie and nutrient needs, so check with your doctor before restricting intake.

Safety guidance is general; always confirm with your pharmacist or doctor for your situation.

Still wondering about combining Iopamidol and Volumetrics Diet? Ask Dr. Brian Staiger, PharmD, BCPS directly ›
What to actually watch for

What Iopamidol’s Own FDA Label Lists

This is not an interaction — none of it involves Volumetrics Diet. These are the most notable effects listed in the ADVERSE REACTIONS section of Iopamidol’s own FDA label, for the medication by itself. Knowing the drug’s own list makes it easier to work out the likely cause if something new turns up while you follow Volumetrics Diet and take the medicine. 10 of them are worth acting on rather than waiting out — marked below.

  • Loss of vision Worth acting on
  • A change in thyroid levels Worth acting on
  • Hearing loss Worth acting on
  • Muscle weakness Worth acting on
  • Trouble passing urine Worth acting on
  • Unsteadiness Worth acting on
  • A slow heartbeat Worth acting on
  • Blood clots Worth acting on
  • Hallucinations Worth acting on
  • Fainting Worth acting on

Showing the 10 most notable of 51 label-listed effects — ranked by how unusual each one is across medicines generally, with serious effects weighted up.

From the ADVERSE REACTIONS section of the FDA label for Iopamidol. Read the label on DailyMed › Where a percentage is shown, it is the share of 2,936 voluntary FDA FAERS reports for Iopamidol that mention that effect — a reporting proportion, not an incidence rate and not evidence the drug caused it. Volumetrics Diet’s licensed record lists no adverse effects our clinical vocabulary could match, so there is no Volumetrics Diet side to compare — that is a limit of the record, not a statement that Volumetrics Diet has no side effects.

Everything else you take

See Every Supplement That Interacts With Iopamidol

This page covers Volumetrics Diet only. If you take other supplements — a multivitamin, a sleep aid, something for joints — the Iopamidol page lists 23 supplements it has a documented interaction with, worst first, each one explained.

The most serious there right now: Activated Charcoal (major), Biofeedback (moderate), Coffee Charcoal (moderate), Dendrobium (moderate) and European Mandrake (moderate).

By severity: 1 major · 13 moderate · 9 minor.

From our pharmacist’s overview on the Iopamidol page

“Iopamidol (Isovue) is the contrast dye used to sharpen CT and X-ray images, and the 23 supplements on this list call for genuine care, starting with activated charcoal, the only entry rated major. It heads a group of 17 fibers, gums, and thickeners that can change how much of a medicine taken by mouth actually gets absorbed.”

Reviewed by 2 · Jul 18, 2026

Open the Iopamidol interaction page

How much people look this up

Where Volumetrics Diet and Iopamidol 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 Volumetrics Diet
Steady interest

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

29 days ago today
Medication Iopamidol
Steady interest

#2,785 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.

Where does our data come from?
  • Source: the Natural Medicines (TRC Healthcare) clinical database — the evidence-graded professional reference for herb & supplement interactions. Volumetrics Diet is not yet covered by that licensed database, so its write-up cites publicly available medical sources directly (see the references below).
  • Citation library: 103,510 references behind our interaction content, 65,311 of them resolved to verified PubMed/DOI sources. See every Volumetrics Diet reference on this page ↓
  • Freshness: we automatically re-check this combination every week — this pair was last verified September 13, 2026. The Volumetrics Diet and Iopamidol records this page draws on were last updated June 22, 2026.
  • What “no known interaction” means: no documented interaction in the sources above — not a guarantee of safety. Supplements are studied far less than prescription drugs, so we say exactly what the evidence supports, and nothing more.
Data structure & sourcing designed and verified by .
Eating pattern

About Volumetrics Diet

What is Volumetrics Diet?

  • Weight loss
  • Weight management
  • Feeling fuller on fewer calories
  • Healthier eating habits
  • Reducing overeating

The Volumetrics Diet is an eating plan, not an herb or supplement. It focuses on choosing foods that are low in calories but high in volume—like vegetables, fruits, broth-based soups, and lean proteins—so you feel full while eating fewer calories. It is generally considered a balanced, safe approach to weight management, but results depend on consistency, and you should talk with a doctor or dietitian before starting any weight-loss plan.

Eating plan / dietary pattern (not a pill or supplement)

An interaction check asks whether these two react with each other — it does not ask whether Volumetrics Diet is a good idea for someone in your situation. Here is what our Volumetrics Diet record says about it on its own.

Volumetrics Diet: dosing

There is no pill, capsule, or standardized "dose" for the Volumetrics Diet because it is an eating pattern, not a supplement.Instead of a dose, the plan guides you to build meals around low-energy-density foods, fill about half your plate with vegetables and fruit, and limit high-calorie foods. They can help you follow the approach safely and realistically.

From our Volumetrics Diet monograph — the full record covers uses, side effects and every documented interaction.

Read the full Volumetrics Diet monograph & all interactions
Medication

About Iopamidol

Most-Reported Side Effects for Iopamidol

From FAERS, the FDA’s public side-effect reporting system (2,936 reports, all brands). Reports are voluntary and are not proof the drug caused the effect.

Dyspnea 187 reports
Urticaria 187 reports
Anaphylactic reaction 185 reports
Pruritus 166 reports
Nausea 162 reports
Keep checking

Other Drugs & Volumetrics Diet

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

0Major
0Moderate
0Minor
2,829No known interaction
No interaction 2,829 drugs checked — show the list
Evidence & sources

Volumetrics Diet References

The 2 sources that drive our Volumetrics Diet monograph — publicly available pages from reputable medical and government organizations. Every link was verified to work before publishing. Volumetrics Diet is not covered by the licensed Natural Medicines interaction database, so its page cites these public sources directly.

  1. Choosing a Safe and Successful Weight-Loss Program — NIH National Institute of Diabetes and Digestive and Kidney Diseases Source
  2. Healthy Weight, Nutrition, and Physical Activity — Centers for Disease Control and Prevention Source

Medication overviews come from MedlinePlus (NIH); supplement label data from the NIH Dietary Supplement Label Database. Content is written and reviewed by licensed HelloPharmacist pharmacists — see our data sources and editorial standards.

Pharmacist Counseling Corner

Following Volumetrics Diet While Taking Iopamidol: Common Questions

Is it safe to follow Volumetrics Diet while taking Iopamidol?
We do not list a known interaction between Volumetrics Diet and Iopamidol. That does not guarantee the combination is risk-free, so confirm with your pharmacist or doctor — especially if you take other medications or have a health condition.
Does Iopamidol interact with any supplements?
Yes. Iopamidol has documented interactions with 23 supplements in our database — Volumetrics Diet is not one of them. The Iopamidol interaction page linked on this page lists every one, ranked by severity.

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

Still Have a Question About Iopamidol and Volumetrics 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.