Herb & supplement monograph

Ip-6 Drug Interactions, Uses, Effectiveness, Safety & More

Medically reviewed by Dr. Brian Staiger, PharmD, BCPS ·Updated June 2026

What is this page for?

First and foremost: how Ip-6 interacts with medications. The heart of this page is the interaction list — every drug Ip-6 is known to interact with, and how serious each one is.

But these pages have grown well beyond that into a full monograph — what Ip-6 is, what people use it for and how strong the evidence is, its safety and side effects, and answers to the questions we’re asked most — written and reviewed by the clinical staff at HelloPharmacist. It’s educational information from our licensed clinical databases, not medical advice, and we don’t sell or endorse products. Our editorial policy

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Reviewed by licensed pharmacists Sourced from Natural Medicines

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Ip-6 Drug Interactions: The Bottom Line

From the HelloPharmacist Editorial Team · Updated July 2026

Based on the available evidence, the overall risk of a clinically significant Ip-6 drug interaction appears low for most people. None of the listed interactions are rated major, and the single concern behind them all is theoretical, without confirmation in human studies.

Interactions deserving the most attention

The one interaction worth knowing about involves blood thinners, meaning anticoagulant and antiplatelet drugs such as those used to prevent clots. In lab studies, Ip-6 kept platelets from clumping together, which in theory could add to the effect of these medicines and raise bleeding risk. That said, this effect has not been shown to happen in people, so it remains a precaution rather than a proven problem. Because bleeding risk is closely watched in anyone on these drugs, it is still the combination we would keep an eye on.

What the rest of the list means

Although the number of medications listed looks large, nearly all of them trace back to this one lab-based finding about platelets. A long list here does not mean many separate dangers, and the predicted bleeding effect has not produced meaningful changes in humans.

Check your medications against Ip-6

Based on HelloPharmacist’s Ip-6 interaction data and reviewed under our editorial standards.

Interaction report

Drugs that interact with Ip-6

122 medications have a known interaction with Ip-6, graded by severity. Select any drug for the full evidence-based detail.

Don’t want to scroll the list? Just ask.

Tell us the medications you take and we’ll check each one against Ip-6 using our pharmacist-reviewed interaction data.

AI summaries are generated from our Ip-6 interaction data for education only — always confirm with your pharmacist. How we use AI

2,830 drugs

Read The List Like a Pharmacist

What Severity, Likelihood & Evidence Mean

Severity — How Serious It Can Be

Major. Clinically significant; generally best avoided, or used only under direct professional supervision.
Moderate. May need monitoring, a dose adjustment, or separating the times you take each one.
Minor. Generally not clinically significant, but still worth noting and mentioning to your pharmacist.
No known interaction. Checked against our sources with nothing documented — not the same as proven safety.

Likelihood — How Well It’s Documented

Likely. Well-controlled human studies have demonstrated the likely existence of this interaction
Probable. Interaction 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.
Possible. 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
Unlikely. Interaction has been demonstrated in animal or in lab research but has been shown not to occur in humans.

Where This Data Comes From

Interaction records are evidence-graded and sourced from the Natural Medicines database (TRC Healthcare), the same reference used by pharmacists and hospitals.
Each drug listed above links to the full report for that exact Ip-6 combination — clinical detail, likelihood, evidence level, and citations.
Content is reviewed by licensed HelloPharmacist pharmacists — see our data sources and editorial standards.

The big picture

The kinds of drugs Ip-6 affects

Every type of medication (drug category) Ip-6 is known to interact with. Open any category for the detail — or search your exact drug in the checker above.

All 1 drug category Ip-6 interacts with

Anticoagulant/antiplatelet Drugs

Anticoagulant/Antiplatelet Drugs

Theoretically, concomitant use of IP-6 with drugs that affect platelet aggregation may increase the risk of bleeding. In vitro IP-6 can inhibit platelet aggregation. This effect has not been demonstrated in humans.

Likelihood Unlikely Evidence D

Monograph

Ip-6: Uses, Safety & Side Effects

Medically reviewed by Dr. Brian Staiger, PharmD, BCPS · Reviewed June 2026 ·

The bottom line

IP-6 (inositol hexaphosphate, also called phytic acid or phytate) is a natural compound found in high-fiber plant foods and sold as a supplement, often paired with inositol. It is most studied as an antioxidant and mineral binder, but human evidence for its popular uses—such as cancer prevention—is limited and not conclusive. Talk to your pharmacist or doctor before using it, especially if you have low mineral levels or a chronic condition.

Part used: Naturally found in whole grains, legumes, nuts, and seeds; supplements are usually made from rice bran or corn
Common forms: Capsules, tablets, powders (often combined with inositol)

People commonly use it for

Antioxidant support
Cancer prevention interest
Kidney stone prevention
Heart and immune support
Reducing excess iron

Popular and traditional uses — not proof it works. See “Uses & effectiveness” below for the evidence.

Safety at a glance

OverallUse caution

Generally considered low-risk in food amounts, but supplement safety is not well studied and it can reduce absorption of minerals.

PregnancyLikely Safe

When consumed in amounts commonly found in foods. There is insufficient reliable information available about the safety of IP-6 when used in amounts g...

Read the full pregnancy detail

BreastfeedingLikely Safe

When consumed in amounts commonly found in foods. There is insufficient reliable information available about the safety of IP-6 when used in amounts g...

Read the full breastfeeding detail

Pregnancy & breastfeeding ratings are from Natural Medicines (Therapeutic Research Center). Safety guidance is general; always confirm with your pharmacist or doctor for your situation.

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Overview

IP-6 stands for inositol hexaphosphate. It is also known as phytic acid or phytate. It is a natural substance found in many plant foods, especially whole grains, beans, nuts, and seeds. In plants it acts as the main way to store phosphorus.

As a supplement, IP-6 is often made from rice bran or corn and is frequently sold together with inositol. People take it hoping for antioxidant and general health benefits. It became popular partly through books and marketing that promoted it for cancer prevention, though strong human proof is lacking.

How it works

IP-6 is a molecule that binds tightly to minerals such as iron, calcium, zinc, and magnesium. Because it grabs onto iron, researchers think it may reduce the kind of oxidative damage that free iron can cause. This is one reason it is studied as an antioxidant.

In test-tube and animal research, IP-6 appears to affect cell signaling and may slow the growth of certain abnormal cells. Some scientists also study how it may influence the formation of crystals that lead to kidney stones.

It is important to know that most of these proposed actions are based on laboratory and animal models, not on solid human outcomes. The exact way it works in people is not fully understood.

Effectiveness

Does Ip-6 work?

Here’s what the research actually shows for each use — graded by Natural Medicines and reviewed by Dr. Brian Staiger, PharmD.

Evidence overview · 2 uses evaluated

2 Insufficient evidence

How to read these evidence grades

Natural Medicines’ 7-point scale. We show each rating’s label word-for-word.

1EffectiveStrong, consistent evidence it works.

2Likely EffectiveGood evidence, though not yet conclusive.

3Possibly EffectiveSome evidence suggests a benefit.

4Possibly IneffectiveSome evidence it may not help.

5Likely IneffectiveFairly strong evidence it doesn’t help.

6IneffectiveStrong evidence it doesn’t work.

7Insufficient Reliable Evidence to RateToo little research to say either way.

For Ip-6, current evidence isn’t strong enough to rate any specific use. The conditions it has been studied for are listed below.

Also studied for 2 conditions — evidence insufficient to rate

Insufficient Reliable Evidence To Rate Chemotherapy-induced leukopenia

Rating & evidence shown verbatim from Natural Medicines

Two very small clinical studies show that topical application with IP-6 200 mg or oral intake of IP-6 plus inositol 6 grams daily for 6 months attenuates a reduction in white and red blood cell counts when compared with a control group. Some patients also reported an improvement in quality of life.

Insufficient Reliable Evidence To Rate Gout

Rating & evidence shown verbatim from Natural Medicines

Preliminary clinical research in adults with asymptomatic hyperuricemia shows that taking IP-6 600 mg twice daily for two weeks reduces fasting uric acid levels when compared with control. It is unclear if this reduction in uric acid levels would result in symptom improvement in patients with symptomatic gout.

Sources Ref 102320

Source & disclaimer. Effectiveness ratings and evidence summaries are provided by Natural Medicines (Therapeutic Research Center) and shown as licensed. Where Natural Medicines hasn’t rated a use, HelloPharmacist’s pharmacists may add their own reviewed rating and evidence (each such entry is labeled). This is educational information, not medical advice — talk with your pharmacist or doctor before starting, stopping, or changing a supplement.

Safety & precautions

In the amounts naturally found in food, IP-6 (phytate) is considered safe and is part of a normal diet. The bigger question is the safety of concentrated supplements, which have not been studied well over the long term.

Because IP-6 binds minerals, taking large amounts may lower the absorption of iron, calcium, zinc, and magnesium. This may be a concern for people with anemia, low mineral levels, osteoporosis, or those who eat a limited diet. People with kidney disease should be especially careful and check with their doctor first.

For pregnancy and breastfeeding, there is not enough safety information, so it is best to avoid IP-6 supplements during these times. Always talk to a pharmacist or doctor before starting it, especially if you have a chronic condition or take other medicines.

Side effects

IP-6 is usually well tolerated when used short term. The most commonly reported side effects are mild and digestive, such as stomach upset, gas, or loose stools.

A more important long-term concern is reduced absorption of minerals, which over time could contribute to low iron or other mineral deficiencies. Serious side effects have not been clearly reported, but because long-term human data are limited, the full safety picture is not known.

Dosing

There is no officially established or standardized dose for IP-6 supplements. Products vary widely, and many combine IP-6 with inositol.

The best approach is to follow the directions on the product label and not exceed them. Because IP-6 can affect mineral absorption, some people take it between meals, but you should check with a pharmacist before deciding how and when to use it. If you are taking it for any health condition, talk with your doctor first.

Pregnancy & Breastfeeding

Ip-6 & Pregnancy

Likely Safe

When consumed in amounts commonly found in foods. There is insufficient reliable information available about the safety of IP-6 when used in amounts greater than those found in foods; avoid using.

Steinmetz KA, Potter JD. Vegetables, fruit, and cancer prevention: a review. J Am Diet Assoc 1996;96:1027-39.

Ip-6 & Breastfeeding

Likely Safe

When consumed in amounts commonly found in foods. There is insufficient reliable information available about the safety of IP-6 when used in amounts greater than those found in foods; avoid using.

Steinmetz KA, Potter JD. Vegetables, fruit, and cancer prevention: a review. J Am Diet Assoc 1996;96:1027-39.

DISCLAIMER: This tool is intended for informational purposes only, and should not be interpreted as specific medical advice. Patients should consult with a qualified healthcare provider before making decisions about therapies and/or health conditions.

© 2026 Therapeutic Research Center

Pregnancy & lactation ratings: Natural Medicines, Therapeutic Research Center

References & further reading

The 3 references that drive our Ip-6 monograph and interaction data, from the evidence-graded Natural Medicines (TRC Healthcare) database. Citations with a link open the study on PubMed or the publisher’s site.

Steinmetz KA, Potter JD. Vegetables, fruit, and cancer prevention: a review. J Am Diet Assoc 1996;96:1027-39. PubMed
Vucenik I, Podczasy JJ, Shamsuddin AM. Antiplatelet activity of inositol hexaphosphate. Anticancer Res 1999;19:3689-93.
Ikenaga T, Kakumoto K, Kohda N, Yamamoto T. Effect of Inositol Hexaphosphate (IP6) on Serum Uric Acid in Hyperuricemic Subjects: a Randomized, Double-Blind, Placebo-Controlled, Crossover Study. Plant Foods Hum Nutr. 2019 Sep;74(3):316-321. DOI

Keep reading

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.

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.

Brand directory

Brands that make products with Ip-6

51 brands in our database make a supplement containing Ip-6.

4Life 53 products Absorb Health 98 products Advanced Medical Labs 1 product Alerna Kidney Health 13 products Allergy Research Group 1,595 products Anutra 4 products Anutra Grain 1 product Barlean's 224 products Barlean's Organic Oils 66 products Best Naturals 363 products BioGenesis Nutraceuticals 87 products Body Fortress 110 products BSN 224 products BulkSupplements.com 5,595 products Calcium Oxalate Labs 2 products DC 1,641 products Dr. Clark Store 116 products Enzymatic Therapy 675 products EST Engineered Sports Technology 5 products Garden of Life 393 products Healthy Origins 126 products Integrative Therapeutics 941 products Jarrow Formulas 2,258 products Kirkman 441 products

Product directory

Supplement products with Ip-6

189 products in our database contain Ip-6. Open any to see its full ingredient list and every drug interaction we check.

Pharmacist Counseling Corner

Ip-6: Common Questions

What is Ip-6 used for, and does it work?

People use Ip-6 for a range of reasons, but according to the Natural Medicines database the current clinical evidence is insufficient to confirm it works for the specific conditions it has been studied for. See the graded list on this page, and talk to your pharmacist or doctor before relying on it for any condition.

Does Ip-6 interact with prescription medications?

Yes. We list 122 medications with a known interaction with Ip-6. Use the checker above to see how Ip-6 interacts with a specific drug.

How are Ip-6 interactions rated?

Each interaction is graded major, moderate, or minor based on how clinically significant it is and the strength of the evidence behind it. Major interactions are the most serious and are best avoided, or used only under close professional supervision.

Is it safe to take Ip-6 with my medications?

It depends on the specific medication. Some combinations are fine, while others call for monitoring, timing changes, or should be avoided. Check your exact drug above and confirm with your pharmacist or doctor before starting, stopping, or changing anything.

Where does this Ip-6 interaction information come from?

Our interaction data is built on the Natural Medicines database — an evidence-graded reference for vitamins, herbs, and supplements — and is reviewed by licensed HelloPharmacist pharmacists, who may add clinical context.

What is Ip-6 used for?

People commonly take Ip-6 for antioxidant support and for general health, and some use it hoping to prevent cancer, kidney stones, or to reduce excess iron. Strong human evidence for these uses is limited.

Is Ip-6 the same as phytic acid?

Yes. Ip-6 (inositol hexaphosphate) is the same compound as phytic acid, or phytate, which is found naturally in whole grains, beans, nuts, and seeds.

Can Ip-6 lower my mineral levels?

It can. Ip-6 binds to minerals like iron, calcium, zinc, and magnesium, so large amounts may reduce how well your body absorbs them. This matters most if you have anemia or low mineral levels.

Is Ip-6 safe during pregnancy or breastfeeding?

There is not enough safety information for supplemental Ip-6 during pregnancy or breastfeeding, so it is best to avoid it during these times unless your doctor advises otherwise.

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

Keep exploring

Products that contain Ip-6

A rotating sample of real supplements in our database that list Ip-6 — open any to see its full ingredients and every drug interaction we check.

See all 189 products with Ip-6 →

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