Interactions on record — worth a quick check against your medications. Based on 1 of 2 ingredients. Check your meds →
Dietary supplement

Sharp Thought Ingredients & Drug Interactions

by Country Life

Sharp Thought label
See full label image
Capsule Category: Fat/fatty Acid
Most serious interaction: Moderate
Clinical methodology reviewed by · Updated Sep 16, 2026 · Label data from the NIH DSLD
What is this page for?

First and foremost: checking Sharp Thought against your medications. The heart of this page is the interaction checker and the full interaction report — how this product’s ingredients may interact with prescription and over-the-counter medicines you may be taking.

Around that, we add a pharmacist’s high-level view of the product as a whole — what’s inside, the evidence for its stated use, how transparent the label is, and what safety data exists — so you can see the full picture in one place. It’s educational information from our licensed clinical databases and the clinical staff at HelloPharmacist — not medical advice — and we don’t sell or endorse products. Our editorial policy

The interaction bottom line Most serious interaction: Moderate

Sharp Thought is a dietary supplement by Country Life with 2 active ingredients. Its ingredients are commonly taken for memory and cognitive support, age-related cognitive decline, attention and focus (adhd).Based on those ingredients, 219 medications have a known interaction with it, the most serious rated moderate. The ingredients most likely to interact are Phosphatidylserine. Use the checker below to test your specific medication, or read the full HelloPharmacist Interaction Report.

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Check Your Meds Against Sharp Thought by Country Life

Ask about any prescription or over-the-counter medication and we check it for interactions with Sharp Thought by Country Life — and tell you which ingredient is responsible.

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HelloPharmacist Scorecard of Sharp Thought by Country Life

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

Generated from HelloPharmacist’s pharmacist-curated databases and editorial rules · Last generated Jul 11, 2026

What’s inside

Full disclosure
Ingredient Transparency · database check
Full

Every active ingredient lists its own amount on the label.

Why this rating?
  • The label discloses an exact amount for 2 of its 2 active ingredients.
  • “Sharp-PS Gold” is listed as a grouped ingredient — the label gives one combined amount (223 mg) without saying how much of each component you get.

Sharp Thought has two active ingredients. Phosphatidylserine is a fat-like substance found in cell membranes, used here to support brain function and cognition.

Docosahexaenoic acid is an omega-3 fatty acid important for brain and eye health. The capsule also contains inactive ingredients like cellulose and magnesium stearate to hold it together.

Does it work?

Moderate evidence
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
Moderate

Some clinical evidence supports this product's ingredients for its stated purpose, but it isn't conclusive.

Why this rating?
  • The label markets this product for: Memory, recall, mental clarity and brain health.
  • We looked for evidence on: Age-related cognitive decline, Cognitive function, Memory enhancement, Mental sharpness, Brain function.
  • The strongest evidence on file: Phosphatidylserine is rated "Possibly Effective" for Age-related cognitive decline (Natural Medicines).
  • Also on file: Phosphatidylserine is rated "Insufficient Reliable Evidence To Rate" for Cognitive function.

Phosphatidylserine is possibly effective for age-related cognitive decline and Alzheimer's disease based on available evidence. For other brain-related uses in this product — including general cognitive function, ADHD, athletic performance, and dementia — the evidence isn't established enough to rate.

That doesn't mean it won't help, just that we don't have strong data yet on those uses.

The evidence, ingredient by ingredient Phosphatidylserine

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 1 of the 1 matched ingredient.
  • Pregnancy & breastfeeding safety ratings cover 1 of 1.
  • General safety write-ups exist for 1 of 1.
  • Remember: this measures how much safety information exists. Thin data is not the same as being safe.

Phosphatidylserine is generally well tolerated in studies, though long-term safety isn't fully established. The most common side effects are flatulence, gastrointestinal upset, headache, insomnia, and nausea — with insomnia more likely at higher doses (around 600 mg) and stomach upset at doses of 200–300 mg daily.

The safety data advises against use during pregnancy and breastfeeding because there isn't enough information to know it's safe.

Side effects, ingredient by ingredient Phosphatidylserine

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?
  • 1 of the 1 matched ingredient can interact with medications — Phosphatidylserine.
  • The most serious interaction on file is rated Moderate.
  • For scale: 219 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.

Before you take Sharp Thought, check if you're on anticholinergic drugs — those used for overactive bladder, certain nerve pain, and muscle control (Moderate concern). Also check if you take cholinergic drugs, used for myasthenia gravis or Alzheimer's disease (Moderate concern).

We could not check the docosahexaenoic acid ingredient for interactions.

Check your own medication Run your meds through the checker above

The bottom line

Scorecard at a glanceFully disclosed formula with some supporting evidence for its stated purpose. Moderate medication interactions have been identified, and safety information is well characterized.

If you have age-related cognitive decline or Alzheimer's disease and aren't on anticholinergic or cholinergic medications, this is worth discussing with your pharmacist. If you take drugs for bladder or nerve control, or for myasthenia gravis, check your medications first.

Let your pharmacist know before you start, especially if you're pregnant or breastfeeding.

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

Assessment coverage: 1 of 2 active ingredients matched to our full ingredient reviews (monographs). Based on the product label dated Apr 24, 2025.

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 Sharp Thought, straight from the product label.

Brand Country Life
Barcode (UPC) 015794049470
Net contents 30 Capsule(s)
Market status On market
Date entered into DSLD Apr 24, 2025
DSLD ID 333309
Product type Fat/fatty Acid
Supplement form Capsule
Dietary claims / uses Nutrient, All Other, Structure/Function
Intended target group(s) Adult (18 - 50 Years), Gluten Free, Dairy 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 Sharp Thought by Country Life, 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
015794049470
IngredientAmount% DV
Docosahexaenoic Acid8 mg--
Phosphatidylserine100 mg--
Sharp-PS Gold223 mg--

Other ingredients: Microcrystalline Cellulose, Hypromellose, Maltodextrin, 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.
General Statements

Please help us in our mission; recycle this box & bottle after use. Like/follow us on our social platforms for new product news, recipes, giveaways and more! Tag us for a chance to be featured. @CountryLifeVitamins Facebook Instagram Looking for an energy boost? also try... Coenzyme B Complex Essential B Vitamins in its active "coenzymated" form into the body. Suitable for vegetarians and vegans.

Based on 3 capsules daily 50% 40% 30% 20% 10% 0% 14.6% placebo 42.5% Sharp-PS Gold % Improvement of immediate recall Based on a randomized, double-blind, placebo controlled study among an elderly population. (unpublished, enzymotec).

Yes recyclable packaging

Formula

More than just DHA and PS added together... The DHA is woven into the backbone of the PS which allows the body to immediately recognize this structure as body ready.

Sharp Thought Contains a very special conjugated complex of phosphatidylserine (PS) and DHA, an Omega-3 fatty acid. The exacting science of conjugation allows the body to achieve the exact form that it can recognize. Conjugated PS DHA creates Sharp PS Gold Form that is found in the brain. Based on three (3) capsules daily.

Formulation

Clinically shown to support the following benefits: Memory Faster recall Increased mental clarity Brain health

Supports utilization of DHA in the brain. Important for brain function.

Yes Certified Gluten-free by GFCO.Org No yeast or wheat No milk or salt No preservatives No artificial colors, flavors or sweeteners

Yes manufacturing supports wind power

Triple action Clinically shown to: Support memory Support faster recall Increase mental clarity Our pledge of integrity Authenticity Cleanliness Freshness Consistency Accuracy

Certified gluten-free

Purity tested for heavy metals including mercury. Certified Gluten free GFCO.ORG

This product has been manufactured at a GMP Registered facility.

Seals/Symbols

Third Party Tested For Purity

Certified B Corporation Certified Gluten free GFCO.ORG

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.

Brand IP Statement(s)

Country Life Established 1971

Sharp-PS is a registered trademark of Frutarom.

FDA Statement of Identity

Dietary Supplement

Suggested/Recommended/Usage/Directions

Directions: Adults take one (1) capsule one (1) to three (3) times daily with food.

Precautions

As a reminder, discuss the supplements and medications that you take with your health care providers.

Contains soy and fish (blue whiting, herring).

Caution: If you are pregnant or nursing, under medical care, taking medication, have a medical condition or planning surgery, consult a doctor before using this product.

Stop using and consult a doctor if any adverse reactions occur. Do not exceed recommended dosage. Do not accept if seal is broken.

Keep out of the reach of children.

Storage

Store in a dry place between 59 degrees - 86 degrees F, avoiding exposure to light.

Is this label outdated? Report a formula or label change and our pharmacy team will review it.

See for yourself

Sharp Thought by Country Life label

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

Sharp Thought label

Label images are published by the NIH Dietary Supplement Label Database for the version of this product on file. Always read your actual product label.

View the full label (PDF)
What’s inside

The Ingredients in Sharp Thought by Country Life

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.

Sharp-PS Gold

223 mg per serving Form: Conjugated Phosphatidylserine-Docosahexaenoic Acid Complex

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

Interaction report

Sharp Thought by Country Life Drug Interactions

Want to check YOUR meds against Sharp Thought?

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
219Drugs
219 Moderate

Ingredients driving the most interactions

Phosphatidylserine 219

Individual Drug Interactions

The ingredients in Sharp Thought interact with 219 drugs. Click any drug to see the details.

1 of the 2 ingredients in Sharp Thought interact with drugs. Each result below shows which ingredient is responsible. Phosphatidylserine

Each ingredient & the kinds of drugs it affects

For each ingredient in Sharp Thought with known interactions, here are the types of medications it can affect. Open any type for the detail — or search your exact drug in the checker above.

Phosphatidylserine2 drug types · 219 drugs

Anticholinergic Drugs

Theoretically, phosphatidylserine might decrease the effectiveness anticholinergic drugs.
Phosphatidylserine is thought to increase acetylcholine levels, which could theoretically interfere with the activity of anticholinergic agents.

Likelihood Possible Evidence B
Cholinergic Drugs

Theoretically, phosphatidylserine might have additive effects with cholinergic drugs.
Phosphatidylserine is thought to increase acetylcholine levels, which could theoretically lead to additive cholinergic effects when used with cholinergic drugs.

Likelihood Possible Evidence B
Phosphatidylserine full monograph & interactions
The maker

Brand information

Manufacturer and brand details for Sharp Thought, from the product label.

Country Life

See all Country Life products
Name
Country Life, LLC
Street Address
180 Vanderbilt Motor Parkway
City
Hauppauge
State
NY
ZipCode
11788
Web Address
CountryLifeVitamins.com
Pharmacist Counseling Corner

Sharp Thought by Country Life: Common Questions

Does Sharp Thought by Country Life interact with any medications?
Yes. Based on its ingredients, Sharp Thought has a known interaction with 219 medications. Use the checker to see how it interacts with a specific drug.
How can one product interact with so many drugs?
Sharp Thought 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 pregnant or breastfeeding?
The safety data advises against it. There isn't enough information to know if it's safe during pregnancy or while breastfeeding, so talk with your doctor or pharmacist about what's right for you.
What side effects might I notice?
The most common ones are stomach upset, gas, nausea, headache, and trouble sleeping. Insomnia is more likely if you take a higher dose around 600 mg, and stomach problems can show up at doses of 200–300 mg a day.
Does this actually help with memory and thinking?
Phosphatidylserine is possibly effective for age-related cognitive decline and Alzheimer's disease. For other memory and thinking problems, we don't have strong enough evidence to say either way.
How long until I see results?
The facts don't tell us that. Ask your pharmacist what a reasonable timeframe is for the benefit you're looking for.
Is this safe to use long-term?
Phosphatidylserine is generally well tolerated in studies, but long-term safety isn't fully established yet. Chat with your pharmacist about your own situation.

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

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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.

Sharp Thought label
Go deeper

The Full Monographs Behind Sharp Thought’s Ingredients

Every ingredient we hold a full HelloPharmacist monograph for — uses, evidence, safety, and the complete interaction list.

Herb & supplement monograph

Phosphatidylserine

Interacts with 219 drugs

Phosphatidylserine is a natural fat-like compound found in cell membranes, especially in the brain, and it is sold mainly to support memory and thinking. Some research suggests possible bene...

Read the full Phosphatidylserine monograph →
Sources

Sources & How We Checked

Sharp Thought'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 9 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.

Phosphatidylserine 9 references
  1. Crook T, Petrie W, Wells C, Massari DC. Effects of phosphatidylserine in Alzheimer's disease. Psychopharmacol Bull 1992;28:61-6.
  2. Pepping J. Phosphatidylserine. Am J Health-Syst Pharm 1999;56:2038,2043-4.
  3. Kidd PM. Phosphatidylserine; Membrane nutrient for memory. A clinical and mechanistic assessment. Altern Med Rev 1996;1:70-84.
  4. Kim HY, Akbar M, Lau A, et al. Inhibition of neuronal apoptosis by docosahexaenoic acid (22:6n-3). Role of phosphatidylserine in antiapoptotic effect. J Biol Chem 2000;275:35215-23.. PubMed
  5. Zanotti A, Valzelli L, Toffano G. Chronic phosphatidylserine treatment improves spatial memory and passive avoidance in aged rats. Psychopharmacology (Berl) 1989;99:316-21.. PubMed
  6. Schreiber S, Kampf-Sherf O, Gorfine M, et al. An open trial of plant-source derived phosphatydilserine for treatment of age-related cognitive decline. Isr J Psychiatry Relat Sci 2000;37:302-7.
  7. Pepping, J. Phosphatidylserine. Am J Health Syst.Pharm. 10-15-1999;56(20):2038, 2043-2038, 2044.
  8. Monteverde, A., Gnemmi, P., Rossi, F., Monteverde, A., and Finali, G. C. Selegiline in the treatment of mild to moderate Alzheimer-type dementia. Clin.Ther 1990;12(4):315-322.
  9. Vakhapova V, Cohen T, Richter Y, Herzog Y, Kam Y, Korczyn AD. Phosphatidylserine containing omega-3 Fatty acids may improve memory abilities in nondemented elderly individuals with memory complaints: results from an open-label extension study. Dement Geri PubMed

See these in context on the Phosphatidylserine 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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