Drug & supplement interaction

Sonoma Diet + Nivolumab

Nivolumab brand name: Opdivo.

No Known Interaction
The bottom line No known interaction

We found no known interaction between Sonoma Diet and Nivolumab 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

Sonoma Diet and Nivolumab

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 Nivolumab and Sonoma Diet in our sources. This does not guarantee that the combination is completely free of risk — research on Sonoma Diet alongside specific medications may be limited.

Worth understanding: our licensed dataset holds no drug-interaction record for Sonoma Diet at all — not against Nivolumab, 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.

Sonoma 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.

Sonoma Diet safety at a glance

Sonoma Diet overall Generally safe As a balanced whole-foods eating plan it is generally safe for most healthy adults.
Pregnancy Use caution Healthy eating is encouraged, but pregnant people have special nutrient needs and should consult their provider before following any structured diet.
Breastfeeding Use caution Nursing parents need extra calories and nutrients, so review any diet plan with a healthcare provider first.

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

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

What Nivolumab’s Own FDA Label Lists

This is not an interaction — none of it involves Sonoma Diet. These are the most notable effects listed in the ADVERSE REACTIONS section of Nivolumab’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 Sonoma Diet and take the medicine. 10 of them are worth acting on rather than waiting out — marked below.

  • Low magnesium Worth acting on
  • A change in thyroid levels Worth acting on
  • A stroke or mini-stroke Worth acting on
  • Severe muscle breakdown Worth acting on
  • Dehydration Worth acting on
  • Trouble swallowing Worth acting on
  • Bleeding in the gut Worth acting on
  • High potassium Worth acting on
  • Low sodium Worth acting on
  • Low blood sugar Worth acting on

Showing the 10 most notable of 67 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 Nivolumab. Read the label on DailyMed › Where a percentage is shown, it is the share of 96,645 voluntary FDA FAERS reports for Nivolumab that mention that effect — a reporting proportion, not an incidence rate and not evidence the drug caused it. Sonoma Diet’s licensed record lists no adverse effects our clinical vocabulary could match, so there is no Sonoma Diet side to compare — that is a limit of the record, not a statement that Sonoma Diet has no side effects.

Everything else you take

See Every Supplement That Interacts With Nivolumab

This page covers Sonoma Diet only. If you take other supplements — a multivitamin, a sleep aid, something for joints — the Nivolumab page lists 1 supplement it has a documented interaction with, worst first, each one explained.

The most serious there right now: American Pawpaw (minor).

By severity: 1 minor.

From our pharmacist’s overview on the Nivolumab page

“Nivolumab (Opdivo) is an immunotherapy infusion that trains the body's own immune system to recognize and attack cancer cells, the kind of drug you might expect to carry a long list of supplement warnings. It does not.”

Reviewed by 2 · Jul 18, 2026

Open the Nivolumab interaction page

How much people look this up

Where Sonoma Diet and Nivolumab 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 Sonoma Diet
Steady interest

#1,283 of 1,452 supplements looked up here in the last 7 days

29 days ago today
Medication Nivolumab
Top 10%

#281 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. Sonoma 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 Sonoma Diet reference on this page ↓
  • Freshness: we automatically re-check this combination every week — this pair was last verified September 20, 2026. The Sonoma Diet and Nivolumab 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 Sonoma Diet

What is Sonoma Diet?

  • Weight loss
  • Heart health
  • Blood sugar control
  • Mediterranean-style eating
  • General healthy eating

The Sonoma Diet is not a supplement or herb — it is a Mediterranean-style eating plan that emphasizes whole grains, lean proteins, healthy fats, vegetables, and portion control. It is generally considered a safe, balanced way to eat, but it is a food plan rather than a pill, so talk with your doctor or dietitian before making big dietary changes.

Eating plan (whole foods, meal plans, recipes, books)

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

Sonoma Diet: dosing

There is no "dose" for the Sonoma Diet because it is an eating plan, not a supplement. Instead, you follow the plan's guidance on food choices, portion sizes, and meal structure, often described in its books or official materials.If you want to follow it, a registered dietitian can help you tailor it to your calorie needs, health conditions, and preferences.

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

Read the full Sonoma Diet monograph & all interactions
Medication

About Nivolumab Injection

What Is Nivolumab Injection Used For?

Brand name: Opdivo

Opdivo (nivolumab) is used to treat many types of cancer in adults, and some in patients 12 years and older. It can be used alone or in combination with other therapies depending on the cancer type and stage. Cancers it treats include melanoma (including after surgery to reduce the chance of the cancer coming back), non-small cell lung cancer, malignant pleural mesothelioma, advanced renal cell carcinoma (kidney cancer), classical Hodgkin lymphoma, squamous cell carcinoma of the head and neck, urothelial carcinoma (bladder cancer), colorectal cancer with specific genetic features (MSI-H or dMMR), hepatocellular carcinoma (liver cancer), esophageal cancer, gastroesophageal junction cancer, and gastric (stomach) cancer.

Some uses require the tumor to test positive for a protein called PD-L1, and some are specific to certain stages of disease or prior treatments received. Your oncologist will determine which use applies to your situation.

Most-Reported Side Effects for Nivolumab

From FAERS, the FDA’s public side-effect reporting system (96,645 reports, all brands). Reports are voluntary and are not proof the drug caused the effect.

Malignant neoplasm progression 9,878 reports
Diarrhea 5,251 reports
Fatigue 4,195 reports
Fever 3,721 reports
Nausea 3,182 reports
See full Nivolumab Injection drug information
Keep checking

Other Drugs & Sonoma Diet

Browse every other medication we’ve checked against Sonoma 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

Sonoma Diet References

The 3 sources that drive our Sonoma Diet monograph — publicly available pages from reputable medical and government organizations. Every link was verified to work before publishing. Sonoma Diet is not covered by the licensed Natural Medicines interaction database, so its page cites these public sources directly.

  1. Mediterranean Diet — MedlinePlus Source
  2. Healthy Eating Plan — NIH NHLBI Source
  3. Mediterranean Diet — Cleveland Clinic 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 Sonoma Diet While Taking Nivolumab: Common Questions

Is it safe to follow Sonoma Diet while taking Nivolumab?
We do not list a known interaction between Sonoma Diet and Nivolumab. 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 Nivolumab interact with any supplements?
Yes. Nivolumab has documented interactions with 1 supplement in our database — Sonoma Diet is not one of them. The Nivolumab 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 Nivolumab and Sonoma Diet?

Our pharmacists answer your medication & supplement questions — free.

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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.