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Dietary supplement

Ocular Pressure & Retina Defense Ingredients & Drug Interactions

by Whitaker Nutrition

Capsule Category: Botanical
Most serious interaction: Moderate
The interaction bottom line Most serious interaction: Moderate

Ocular Pressure & Retina Defense is a dietary supplement by Whitaker Nutrition with 2 active ingredients. Its ingredients are commonly taken for circulation and vein health, antioxidant support, skin health and aging.Based on those ingredients, 394 medications have a known interaction with it, the most serious rated moderate. The ingredients most likely to interact are Pycnogenol French Maritime Pine extract, MirtoSelect Bilberry extract. Use the checker below to test your specific medication, or read the full HelloPharmacist Interaction Report.

HelloPharmacist Scorecard of Ocular Pressure & Retina Defense by Whitaker Nutrition

Our pharmacy team’s full take, with four database checks built into the cards below — a summary of what is known, not a grade of the product itself.

From our pharmacy team — supplement deep dive

What’s inside

Low disclosure
Ingredient Transparency · database check
Low

Most active ingredients don't disclose an individual amount — you can't tell how much of each you're getting.

Why this rating?
  • The label discloses an exact amount for 0 of its 2 active ingredients.
  • “Mirtogenol Proprietary Complex” is a proprietary blend — the label gives one combined amount (120 mg) without saying how much of each component you get.

This product contains 2 active ingredients. Pycnogenol French Maritime Pine extract is derived from the bark of maritime pine trees and is used in supplements targeting eye and circulatory health.

MirtoSelect Bilberry extract comes from the fruit and is traditionally used to support vision and microcirculation. The inactive ingredients—microcrystalline cellulose, gelatin, magnesium stearate, stearic acid, and silica—are fillers and capsule materials that hold the actives together.

Does it work?

Not established
Evidence for Intended Use · database check
By FDA rules, dietary supplements can’t claim to treat, cure, or prevent disease — so labels speak in careful marketing language. We discern each product’s intended use from its name, label claims, and label statements, then grade the clinical evidence for that use. How these ratings are computed
Not established

The graded evidence we hold for these ingredients covers different conditions than the ones this product is marketed for, so there's no established rating for its stated use.

Why this rating?
  • The label markets this product for: support healthy intraocular pressure and retinal health.
  • We looked for evidence on: Glaucoma, Age-related macular degeneration (AMD), Cataracts, Diabetic retinopathy, Hypertensive retinopathy, Dry eye — and 4 related terms.
  • The closest evidence on file: Bilberry is rated "Possibly Ineffective" for Night vision (Natural Medicines).
  • Also on file: Bilberry is rated "Insufficient Reliable Evidence To Rate" for Age-related macular degeneration (AMD), Cataracts, Diabetic retinopathy, Dry eye, and more.

Maritime Pine extract shows possibly effective evidence for osteoarthritis and chronic venous insufficiency (reduced swelling and discomfort in the legs). For bilberry, the data we hold does not establish effectiveness for night vision or age-related macular degeneration; evidence on cognitive decline, atherosclerosis, high cholesterol, and venous insufficiency is insufficient to rate.

Neither ingredient has been shown to reduce eye pressure specifically in the data available to us.

The evidence, ingredient by ingredient Maritime Pine Bilberry

How safe is it?

Well-documented data
Safety Information · database check
Well characterized

Adverse-effect, pregnancy, and general safety data are on file for most of these ingredients.

Why this rating?
  • We hold adverse-effect (side-effect) data for 2 of the 2 matched ingredients.
  • Pregnancy & breastfeeding safety ratings cover 2 of 2.
  • General safety write-ups exist for 2 of 2.
  • Remember: this measures how much safety information exists. Thin data is not the same as being safe.

Maritime Pine extract is generally well tolerated in studies, though long-term safety is not fully established; the most common side effects are gastrointestinal complaints, dizziness, and vertigo. Bilberry fruit is generally safe as food, but supplement-form evidence and long-term safety are limited; common effects include dark-colored stools, flatulence, and gastrointestinal discomfort.

Regarding pregnancy, Maritime Pine safety data is insufficient—the facts advise against it during pregnancy and breastfeeding. Bilberry is rated likely safe in pregnancy and lactation, though supplement-dose safety during breastfeeding is not detailed in our data.

Side effects, ingredient by ingredient Maritime Pine Bilberry

Meds to double-check

Moderate interaction found
Known Interaction Concern · database check
Moderate identified

The most serious documented interaction for these ingredients is Moderate. Check your medications for a personalized result.

Why this rating?
  • 2 of the 2 matched ingredients can interact with medications — Bilberry, Maritime Pine.
  • The most serious interaction on file is rated Moderate.
  • Some involve high-stakes drug classes: anticoagulant / antiplatelet drugs; immunosuppressants / transplant drugs; diabetes medications.
  • For scale: 394 individual medications appear in the full list. A big number alone doesn't make a product dangerous — what matters is whether YOUR medication is on it, so run yours through the interaction checker on this page.

Check with your doctor or pharmacist before taking this product if you use blood thinners or antiplatelet drugs (such as warfarin, aspirin, or clopidogrel), diabetes medications, immunosuppressants, CYP2E1 substrates, or erlotinib (Tarceva). All carry Moderate-severity interaction risk with one or both actives in this formula.

Check your own medication Run your meds through the checker above

The bottom line

Scorecard at a glanceFormula with limited ingredient disclosure with no established evidence rating for its marketed use. Moderate medication interactions have been identified, and safety information is well characterized.

This product may be worth considering if you're looking to support eye and vascular health and don't take blood thinners, diabetes medications, or immunosuppressants. If you're on any of those drugs—or any other prescription medication—talk with your doctor or pharmacist before starting it.

Pregnant or breastfeeding women should discuss Maritime Pine with their provider, since safety data is limited. The bilberry component is generally considered safe in those situations, but the combination warrants personalized advice.

Educational only — not medical advice; always confirm with your pharmacist. Our editorial policy · How we use AI

Assessment coverage: 2 of 2 active ingredients matched to our full ingredient reviews (monographs). Based on the product label dated Nov 19, 2021.

This Scorecard evaluates available label information, ingredient evidence, and known medication-safety considerations. It does not independently verify product identity, purity, potency, contamination, or manufacturing quality. How these ratings are computed

At a glance

General information

Key facts about Ocular Pressure & Retina Defense, straight from the product label.

Brand Whitaker Nutrition
Barcode (UPC) 678829212494
Net contents 30 Capsule(s)
Market status On market
Date entered into DSLD Nov 19, 2021
DSLD ID 256826
Product type Botanical
Supplement form Capsule
Dietary claims / uses All Other, Structure/Function
Intended target group(s) Adult (18 - 50 Years), Gluten Free
From the label
Everything in this section is reproduced from the manufacturer’s own product label — it’s the label speaking, not HelloPharmacist. We show it so you can see exactly what the maker states; we don’t verify or endorse those statements.

Supplement Facts

The label details for Ocular Pressure & Retina Defense by Whitaker Nutrition, sourced from the NIH Dietary Supplement Label Database.

Supplement Facts

Daily Value (DV) Target Group(s):
Adults and children 4 or more years of age
Minimum serving Sizes:
1 Capsule(s)
Maximum serving Sizes:
1 Capsule(s)
Servings per container
30
UPC/BARCODE
678829212494
IngredientAmount% DV
Pycnogenol French Maritime Pine extract0 NP--
MirtoSelect Bilberry extract0 NP--
Mirtogenol Proprietary Complex120 mg--

Other ingredients: Microcrystalline Cellulose, Gelatin, Magnesium Stearate, Stearic Acid, Silica

Tap any ingredient to jump to its full detail below.

Label statements
These statements are the manufacturer’s wording, reproduced from the product label — the label is saying it, not HelloPharmacist. We don’t verify or endorse them.
Formula

Ocular Pressure & Retina Defense with Mirtogenol, shown to support healthy intraocular pressure and retinal health.

Formulation

Unconditionally guaranteed for purity and potency.

Doctor-formulated to support healthy intraocular pressure and retinal health

GF Gluten free

Storage

Store with cap tightly closed in a cool, dry place.

Brand IP Statement(s)

Mirtogenol is a registered trademark of Horphag Research and Indena and is protected by international and pending patents. Mirtoselect is a registered trademark of Indena S.p.A. Pycnogenol is a registered trademark of Horphag Research Ltd.

FDA Disclaimer Statement

These statements have not been evaluated by the Food and Drug Administration. This product is not intended to diagnose, treat, cure, or prevent any disease.

FDA Statement of Identity

Dietary Supplement

Suggested/Recommended/Usage/Directions

Doctor’s Suggested Use: Take 1 capsule daily. For additional support, take 1 capsule twice daily.

Precautions

Precautions: This product is not a treatment for glaucoma.

Consult a health care practitioner before use if you are pregnant or nursing, have a serious medical condition, or use any medications.

Keep out of reach of children.

See for yourself

Ocular Pressure & Retina Defense by Whitaker Nutrition label

The label scan from the NIH Dietary Supplement Label Database. Tap to enlarge.

What’s inside

The Ingredients in Ocular Pressure & Retina Defense by Whitaker Nutrition

These are the 2 active ingredients this product is made of. Select any to open its full monograph.

Serving size1 Capsule(s) Dosage formCapsule Servings per container30 Amounts shown are per serving.

Most supplement products combine several ingredients, and a medication can interact with the product through any one of them. Each ingredient below shows whether it has known drug interactions.

Mirtogenol Proprietary Complex

120 mg per serving

Other (inactive) ingredients: Microcrystalline Cellulose, Gelatin, Magnesium Stearate, Stearic Acid, Silica. These complete the product’s ingredient list but are not active constituents.

Interaction report

Ocular Pressure & Retina Defense by Whitaker Nutrition Drug Interactions

Want to check YOUR meds against Ocular Pressure & Retina Defense?

Ask about interactions with your drugs in plain English — “Can I take it with lisinopril?” — and we find you the answer in seconds, ingredient by ingredient.

Go to the checker
394Drugs
394 Moderate

Ingredients driving the most interactions

Each ingredient & the kinds of drugs it affects

For each ingredient in Ocular Pressure & Retina Defense with known interactions, here are the types of medications they can affect. Open any type for the detail — or search your exact drug in the checker above.

Pycnogenol French Maritime Pine extract3 drug types · 327 drugs

Anticoagulant/Antiplatelet Drugs

Theoretically, maritime pine bark extract might increase the risk of bleeding when used with antiplatelet or anticoagulant drugs.
Clinical research suggests that maritime pine bark extract inhibits platelet aggregation. However, the clinical significance of this effect is unclear.

Likelihood Possible Evidence D
Antidiabetes Drugs

Theoretically, maritime pine bark extract might increase the risk of hypoglycemia when used with antidiabetes drugs.
One clinical study shows that maritime pine bark extract decreases blood sugar in patients with diabetes being treated with antidiabetes agents. Monitor blood glucose levels closely. Dose adjustments might be necessary.

Likelihood Possible Evidence B
Immunosuppressants

Theoretically, maritime pine bark extract might decrease the effectiveness of immunosuppressant therapy.
In vitro and animal research suggests that maritime pine bark extract has immunostimulant activity. This effect has not been reported in humans.

Likelihood Possible Evidence D

MirtoSelect Bilberry extract4 drug types · 275 drugs

Anticoagulant/Antiplatelet Drugs

Theoretically, bilberry fruit extract might increase the risk of bleeding when taken with anticoagulant or antiplatelet drugs.
In vitro, animal, and clinical research suggest that anthocyanidin extracts from bilberry can inhibit platelet aggregation.

Likelihood Possible Evidence D
Antidiabetes Drugs

Theoretically, bilberry leaf or fruit extract may increase the risk of hypoglycemia when taken with antidiabetes drugs.
Animal research suggests that bilberry leaf extract might have blood glucose-lowering activity. Also, one small clinical trial in patients with type 2 diabetes shows that taking bilberry fruit extract 470 mg as a single dose prior to an oral glucose tolerance test lowers plasma glucose levels when compared with placebo.

Likelihood Possible Evidence D
Cytochrome P450 2E1 (Cyp2E1) Substrates

Theoretically, bilberry fruit extract might decrease levels of drugs metabolized by CYP2E1.
Animal research shows that exposure to small concentrations of bilberry extract in drinking water for around one month increased CYP2E1 activity by 31%. However, exposure over a 2-month period did not increase CYP2E1 activity. This effect has not been reported in humans.

Likelihood Possible Evidence D
Erlotinib (Tarceva)

Theoretically, bilberry fruit extract might reduce the efficacy of erlotinib.
In vitro research suggests that bilberry fruit extract and its constituents, delphinidin and delphinidin-3-O-glucoside, inhibit the activity of erlotinib. This interaction has not been reported in humans.

Likelihood Possible Evidence D
The maker

Brand information

Manufacturer and brand details for Ocular Pressure & Retina Defense, from the product label.

Whitaker Nutrition

See all Whitaker Nutrition products
Name
Healthy Directions
City
Bethesda
State
MD
ZipCode
20817
Phone Number
1-800-722-8008
Web Address
healthydirections.com
Pharmacist Counseling Corner

Ocular Pressure & Retina Defense by Whitaker Nutrition: Common Questions

Does Ocular Pressure & Retina Defense by Whitaker Nutrition interact with any medications?
Yes. Based on its ingredients, Ocular Pressure & Retina Defense has a known interaction with 394 medications. Use the checker to see how it interacts with a specific drug.
How can one product interact with so many drugs?
Ocular Pressure & Retina Defense contains 2 active ingredients, and an interaction can come from any of them. We check every ingredient, combine the results into one list per medication, and show which ingredient and mechanism is responsible.
Where does this information come from?
The product label data comes from the NIH Dietary Supplement Label Database (DSLD); the interaction data is built on the Natural Medicines database and reviewed by HelloPharmacist pharmacists.
Can I take this if I'm on warfarin or aspirin?
Both ingredients in this product may increase bleeding risk when combined with blood thinners or antiplatelet drugs. Do not start this product without clearing it with your doctor or pharmacist first.
Can I take this if I have diabetes?
Both Maritime Pine and bilberry may lower blood sugar, which could increase your hypoglycemia risk if you're on diabetes medication. Your doctor or pharmacist should monitor your glucose closely and may need to adjust your doses.
Is this safe during pregnancy?
Maritime Pine extract lacks enough safety data; the evidence advises against it during pregnancy. Bilberry is rated likely safe in pregnancy, but since this product contains both, discuss it with your doctor or pharmacist for personalized guidance.
What are the most common side effects?
From Maritime Pine: gastrointestinal upset, dizziness, and vertigo. From bilberry: dark stools, gas, and stomach discomfort. Both are generally well tolerated, though long-term safety data is limited.
Does this product actually improve vision or lower eye pressure?
In our data, Maritime Pine shows possibly effective evidence for osteoarthritis and venous insufficiency, and bilberry evidence for night vision and age-related macular degeneration is insufficient to rate. We don't have clinical evidence that either ingredient lowers eye pressure.
Can I take this with immunosuppressant medications?
Maritime Pine may theoretically reduce their effectiveness, since research suggests it stimulates immune activity. Discuss this with your doctor before starting, as dose adjustments or monitoring might be needed.

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

Not sure if Ocular Pressure & Retina Defense is safe with your meds?

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Ask a pharmacist

Label information is sourced from the NIH Dietary Supplement Label Database and reflects the product version on file; always read your actual product label. This page is for education only and is not a substitute for professional medical advice. Confirm with your pharmacist or doctor before combining supplements and medications.

Ocular Pressure & Retina Defense label
Sources

Sources & How We Checked

Ocular Pressure & Retina Defense's label data comes from the NIH Dietary Supplement Label Database; the ingredient interaction data is from the Natural Medicines database, reviewed by our pharmacists.

Content is written and reviewed by licensed HelloPharmacist pharmacists. See our data sources and editorial standards for how this information is built and checked.

The 28 references behind this product’s interaction data

Every citation that drives the interaction findings for this product’s ingredients, from the evidence-graded Natural Medicines (TRC Healthcare) database. Open an ingredient to browse its citations — links open the study on PubMed or the publisher’s site.

Maritime Pine 14 references
  1. Rice-Evans CA, Packer L, eds. Flavonoids in Health and Disease. Manhattan, NY: Marcel Dekker, Inc., 1998.
  2. Liu FJ, Zhang YX, Lau BH. Pycnogenol enhances immune and haemopoietic functions in senescence-accelerated mice. Cell Mol Life Sci 1998;54:1168-72. PubMed
  3. Putter M, Grotemeyer KH, Wurthwein G, et al. Inhibition of smoking-induced platelet aggregation by aspirin and pycnogenol. Thromb Res 1999;95:155-61. PubMed
  4. Kohama T, Inoue M. Pycnogenol alleviates pain associated with pregnancy. Phytother Res 2006;20:232-4.
  5. Liu X, Zhou HJ, Rohdewald P. French maritime pine bark extract pycnogenol dose-dependently lowers glucose in type 2 diabetic patients (letter). Diabetes Care 2004;27:839. PubMed
  6. Liu X, Wei J, Tan F, et al. Antidiabetic effect of Pycnogenol French maritime pine bark extract in patients with diabetes type II. Life Sci 2004;75:2505-13. PubMed
  7. Wilson D, Evans M, Guthrie N et al. A randomized, double-blind, placebo-controlled exploratory study to evaluate the potential of pycnogenol for improving allergic rhinitis symptoms. Phytother Res 2010;24:1115-9.
  8. Araghi-Niknam, M., Hosseini, S., Larson, D., Rohdewald, P., and Watson, R. R. Pine bark extract reduces platelet aggregation. Integr.Med. 3-21-2000;2(2):73-77. PubMed
  9. Trebaticka, J., Kopasova, S., Hradecna, Z., Cinovsky, K., Skodacek, I., Suba, J., Muchova, J., Zitnanova, I., Waczulikova, I., Rohdewald, P., and Durackova, Z. Treatment of ADHD with French maritime pine bark extract, Pycnogenol. Eur.Child Adolesc.Psychi PubMed
  10. Suzuki, N., Uebaba, K., Kohama, T., Moniwa, N., Kanayama, N., and Koike, K. French maritime pine bark extract significantly lowers the requirement for analgesic medication in dysmenorrhea: a multicenter, randomized, double-blind, placebo-controlled study
  11. Cisar, P., Jany, R., Waczulikova, I., Sumegova, K., Muchova, J., Vojtassak, J., Durackova, Z., Lisy, M., and Rohdewald, P. Effect of pine bark extract (Pycnogenol) on symptoms of knee osteoarthritis. Phytother.Res. 2008;22(8):1087-1092.
  12. Enseleit, F., Sudano, I., Periat, D., Winnik, S., Wolfrum, M., Flammer, A. J., Frohlich, G. M., Kaiser, P., Hirt, A., Haile, S. R., Krasniqi, N., Matter, C. M., Uhlenhut, K., Hogger, P., Neidhart, M., Luscher, T. F., Ruschitzka, F., and Noll, G. Effects
  13. Schoonees, A., Visser, J., Musekiwa, A., and Volmink, J. Pycnogenol(R) (extract of French maritime pine bark) for the treatment of chronic disorders. Cochrane.Database.Syst.Rev. 2012;4:CD008294.
  14. Wang S, Tan D Zhao Y et al. The effect of pycnogenol on the microcirculation, platelet function and ischemic myocardium in patients with coronary artery diseases. Eur Bull Drug Res 1999;7:19-25.

See these in context on the Maritime Pine monograph →

Bilberry 14 references
  1. Cignarella A, Nastasi M, Cavalli E, Puglisi L. Novel lipid-lowering properties of Vaccinium myrtillus L. leaves, a traditional antidiabetic treatment, in several models of rat dyslipidaemia: a comparison with ciprofibrate. Thromb Res 1996;84:311-22. PubMed
  2. Morazzoni P, Magistretti MJ. Activity of Myrtocyan, an anthosyanoside complex from Vaccinium myrtillus (VMA), on platelet aggregation and adhesiveness. Fitoterapia 1990;61:13-21.
  3. Erlund, I., Koli, R., Alfthan, G., Marniemi, J., Puukka, P., Mustonen, P., Mattila, P., and Jula, A. Favorable effects of berry consumption on platelet function, blood pressure, and HDL cholesterol. Am J Clin Nutr 2008;87(2):323-331. PubMed
  4. Hawrelak, J. A. and Myers, S. P. Effects of two natural medicine formulations on irritable bowel syndrome symptoms: a pilot study. J Altern Complement Med 2010;16(10):1065-1071. PubMed
  5. Morazzoni P and Magistretti MJ. Effects of Vaccinium myrtillus anthocyanosides on prostacyclin-like activity in rat arterial issue. Fitoterapia 1986;57:11-14.
  6. Pulliero G, Montin S, Bettini V, and et al. Ex vivo study of the inhibitory effects of Vaccinium myrtillus anthocyanosides on human platelet aggregation. Fitoterapia 1989;60:69-75.
  7. Bottecchia D. Preliminary report on the inhibitory effect of vaccinium myrtillus anthocyanosides on platelet aggregation and clot retraction. Fitoterapia 1987;48:3-8.
  8. Fdez, M., Zaragoza, F., and Alvarez, P. In vitro platelet aggregation effects of anthocyanosides of vaccinium myrtilus L. Anales de la Real Academia de Farmacia 1983;49:79-90.
  9. Biedermann L, Mwinyi J, Scharl M, Frei P, Zeitz J, Kullak-Ublick GA, et al. Bilberry ingestion improves disease activity in mild to moderate ulcerative colitis-an open pilot study. 2013 May;7(4):271-9. PubMed
  10. Hoggard N, Cruickshank M, Moar KM, Bestwick C, Holst J, Russell W, et al. A single supplement of a standardized bilberry (Vaccinium myrtillus L.) extract (36% wet weight anthocyanins) modifies glycaemic response in individuals with type 2 diabetes control
  11. Aichinger G, Pahlke G, Nagel LJ, Berger W, Marko D. Bilberry extract, its major phenolic compounds, and soy isoflavone genistein antagonize the cytostatic drug erlotinib in human epithelial cells. Food Funct 2016;7(8):3628-36.
  12. Prokop J, Lněničková K, Cibicek N, et al. Effect of bilberry extract (Vaccinium myrtillus L.) on drug-metabolizing enzymes in rats. Food Chem Toxicol 2019;129:382-90. PubMed
  13. Chan SW, Chu TTW, Choi SW, Benzie IFF, Tomlinson B. Impact of short-term bilberry supplementation on glycemic control, cardiovascular disease risk factors, and antioxidant status in Chinese patients with type 2 diabetes. Phytother Res 2021. Online ahead o PubMed
  14. Bøhn SK, Myhrstad MCW, Thoresen M, et al. Bilberry/red grape juice decreases plasma biomarkers of inflammation and tissue damage in aged men with subjective memory impairment -a randomized clinical trial. BMC Nutr 2021;7(1):75. PubMed

See these in context on the Bilberry monograph →

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

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