Drug & supplement interaction

Volumetrics Diet + Guselkumab

Guselkumab brand name: Tremfya.

No Known Interaction
Medically reviewed by · Updated June 2026 · Pair last verified Sep 13, 2026
The bottom line No known interaction

We found no known interaction between Volumetrics Diet and Guselkumab 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 Guselkumab

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 Guselkumab 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 Guselkumab, 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 Guselkumab and Volumetrics Diet? Ask Dr. Brian Staiger, PharmD, BCPS directly ›
What to actually watch for

What Guselkumab’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 Guselkumab’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. 7 of them are worth acting on rather than waiting out — marked below.

  • A severe allergic reaction Worth acting on
  • Hives Worth acting on
  • A low white blood cell count Worth acting on
  • Liver problems Worth acting on
  • Bleeding or bruising Worth acting on
  • A higher chance of infection Worth acting on
  • An allergic reaction Worth acting on
  • Migraine
  • Sore throat
  • Numbness or tingling

Showing the 10 most notable of 19 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 Guselkumab. Read the label on DailyMed › Where a percentage is shown, it is the share of 35,559 voluntary FDA FAERS reports for Guselkumab 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 Guselkumab

This page covers Volumetrics Diet only. If you take other supplements — a multivitamin, a sleep aid, something for joints — the Guselkumab page lists 53 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 · 1 minor.

From our pharmacist’s overview on the Guselkumab page

“Guselkumab (Tremfya) quiets an overactive branch of the immune system to control psoriasis and psoriatic arthritis, and all 53 supplements on this list interact the same way, by potentially revving that system back up. None is rated major, 52 are moderate and one is minor, so for most people this reads as a watch list rather than a sto…”

Reviewed by 2 · Jul 18, 2026

Open the Guselkumab interaction page

How much people look this up

Where Volumetrics Diet and Guselkumab 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

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

29 days ago today
Medication Guselkumab
Top 10%

#257 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 Guselkumab 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 Guselkumab Injection

What Is Guselkumab Injection Used For?

Brand name: Tremfya

Tremfya (guselkumab) injection is approved to treat adults and children 6 years of age and older who weigh at least 40 kg (about 88 lbs) with moderate-to-severe plaque psoriasis or active psoriatic arthritis. It is also approved for adults with moderately to severely active ulcerative colitis or Crohn's disease.

For plaque psoriasis and psoriatic arthritis, Tremfya is an option when systemic therapy or phototherapy is appropriate. For ulcerative colitis and Crohn's disease, Tremfya is approved for adult patients only — it has not been established as safe and effective for children with those conditions.

Most-Reported Side Effects for Guselkumab

From FAERS, the FDA’s public side-effect reporting system (35,559 reports, all brands). Reports are voluntary and are not proof the drug caused the effect.

Needle issue 2,305 reports
Psoriasis 2,239 reports
Device issue 1,980 reports
Device malfunction 1,655 reports
Device deployment issue 1,495 reports
See full Guselkumab Injection drug information
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
2,829 No interaction
No interaction 2,829 drugs checked — show the list

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

Showing the 60 most looked-up of 2,829 medications checked with no known interaction — see the full Volumetrics Diet list.

See the full Volumetrics Diet interactions page
See every supplement checked against Guselkumab, ranked by severity
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 Guselkumab: Common Questions

Is it safe to follow Volumetrics Diet while taking Guselkumab?
We do not list a known interaction between Volumetrics Diet and Guselkumab. 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 Guselkumab interact with any supplements?
Yes. Guselkumab has documented interactions with 53 supplements in our database — Volumetrics Diet is not one of them. The Guselkumab interaction page linked on this page lists every one, ranked by severity.

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

Where next

Keep Exploring

Volumetrics Diet monograph Uses, safety profile, and every drug interaction in one place Guselkumab Injection drug information The full plain-English guide to this medication Guselkumab supplement interactions Every supplement checked against Guselkumab, ranked by severity Supplement interaction checker Check any supplement or product against your medications Browse medications A–Z Every drug we’ve checked against herbs & supplements References The 2 citations behind this page Ask a pharmacist Free, personal answer from our licensed team

Still Have a Question About Guselkumab 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.