You've probably heard it before:
“Red wine has antioxidants.”
Which is technically true.
And it's a very convenient thing to hear when someone is halfway through a bottle.
But here's the question nobody seems to ask:
How many antioxidants are actually in that glass of wine?
And if red wine contains compounds such as resveratrol and other polyphenols, how much wine would you actually have to drink to get a meaningful benefit?
Here's where things get interesting.
Wine does contain antioxidants and other plant compounds. Red wine generally contains more polyphenols than white wine, largely because of the way red wine is made and its longer contact with grape skins.
But that doesn't mean wine is a health drink.
Current health guidance does not recommend starting to drink alcohol for potential health benefits. And drinking more alcohol to obtain more polyphenols is not a scientifically established health strategy. [1][2][3][4]
So let's uncork the science.
What Are Antioxidants?
“Antioxidant” is one of those words that gets thrown around so often that it can start to sound like a synonym for “healthy.”
It isn't.
Antioxidants are substances that can help counter oxidative processes involving reactive molecules in the body.
Your body naturally produces reactive oxygen species as part of normal metabolism. These molecules aren't automatically harmful — they also play important roles in normal biological processes.
The problem arises when there is an imbalance between oxidative processes and the body's ability to regulate them.
Antioxidant compounds are part of the body's broader defence system against oxidative stress.
And you don't need alcohol to get them.
Antioxidant compounds and polyphenols are found naturally in many foods and drinks, including:
- Berries
- Grapes
- Vegetables
- Tea
- Coffee
- Nuts
- Cocoa
- Herbs and spices
And, yes:
Wine.
What Antioxidants Are Found in Wine?
Wine contains a variety of polyphenols, a large family of plant compounds.
Some of the better-known polyphenols found in wine include:
- Resveratrol
- Flavonoids
- Anthocyanins
- Phenolic acids
- Proanthocyanidins
These compounds contribute to the colour, flavour, aroma and astringency of wine, while also being studied for their biological effects.
Red wine generally contains more polyphenols than white wine because red wine is fermented with substantially more contact between the juice and grape skins, seeds and other grape solids. Many of these compounds are concentrated in the grape skin. [5][6]
Resveratrol is one of the compounds that has received the most attention.
But before you start calling your Cabernet a wellness beverage, there's something important to understand.
The presence of a potentially beneficial compound does not automatically make the food or drink a health treatment.
How Much Resveratrol Is Actually in Red Wine?
This is where things get considerably less impressive.
Resveratrol is a naturally occurring polyphenol found in grapes and other plants. It is generally found at higher concentrations in red wine than in white wine because grape skins are used more extensively during red-wine production. [5][6]
But the amount varies enormously.
Researchers have found that resveratrol concentrations in wine can be affected by factors including:
- Grape variety
- Growing region
- Climate
- Vintage
- Winemaking techniques
- Fermentation and skin contact
- Storage conditions
Studies have reported concentrations ranging from very low levels to more than 10 mg per litre in some red wines. One review reports that trans-resveratrol in red wine generally falls within a broad range of approximately 0.1–15 mg/L. [5]
So there is no universal answer to:
“How much resveratrol is in a glass of red wine?”
It depends on the wine.
For perspective, if a wine contained 2 mg of resveratrol per litre, a 100 ml serving would contain approximately 0.2 mg of resveratrol.
That's not nothing.
But it also isn't exactly a pharmaceutical dose.
And this is where the popular “red wine is healthy because of resveratrol” argument gets more complicated.
How Much Wine Do You Need to Drink to Get the Antioxidant Benefits?
Here's the short answer:
There is no established amount of wine that you should drink specifically to obtain antioxidant or resveratrol benefits.
There is no scientific recommendation saying:
Drink X glasses of red wine every day for optimal antioxidant protection.
And there is a reason for that.
Research into resveratrol often examines the compound itself, concentrated preparations, laboratory models or doses that don't correspond to the amount naturally present in an ordinary glass of wine.
One review noted that the relatively low amounts of resveratrol obtained from moderate wine consumption may be insufficient to produce some of the biological effects observed in experimental research. [6]
So trying to get more resveratrol from wine creates a slightly awkward equation:
More wine → more polyphenols
but also:
More wine → more alcohol
And that's not necessarily a great trade.
Does Red Wine Actually Have Health Benefits?
This is probably the question behind the question.
For years, observational studies associated light or moderate alcohol consumption — particularly wine — with certain cardiovascular outcomes.
This helped create the famous idea that a glass of red wine might be “good for your heart.”
But observational research can show an association without proving that the alcohol or wine itself caused the benefit.
People who drink moderately can differ from people who don't drink in many other ways, including diet, exercise, income, healthcare access and other lifestyle factors.
The American Heart Association says that no research has established a cause-and-effect relationship between drinking alcohol and better heart health. It also does not recommend drinking wine or any other alcohol to gain potential health benefits. [2]
Harvard T.H. Chan School of Public Health similarly notes that red wine contains more polyphenols than white wine, but that the concentrations are not high enough to establish a health advantage. According to Harvard's experts, obtaining substantially more polyphenols from red wine would require drinking more than moderate amounts. [3]
So the scientific takeaway isn't:
“Red wine is healthy.”
It's closer to:
“Red wine contains interesting plant compounds, but that doesn't make alcohol a health supplement.”
What About Resveratrol?
Ah yes.
Resveratrol.
The celebrity antioxidant of the wine world.
Resveratrol is a naturally occurring stilbene polyphenol found in grapes and several other plants. It has been extensively studied because laboratory and animal research has suggested a range of potentially interesting biological effects. [6][7]
But here's an important distinction:
A compound showing interesting biological activity in a laboratory does not prove that drinking a small amount of that compound in wine will produce the same health effect in humans.
Human evidence remains limited and mixed, and researchers continue to investigate how resveratrol is absorbed, metabolised and used by the body. [7][8]
This is particularly relevant because the amount of resveratrol in wine is relatively small and highly variable.
So if you've been using “I need my resveratrol” as an excuse for another glass of Cabernet, the science department has questions.
Is Red Wine Healthier Than White Wine?
When we're talking specifically about polyphenols:
Generally, yes.
Red wine typically contains more polyphenols than white wine because of the greater contact with grape skins during production. [3][5]
But there's a very important catch:
More polyphenols does not automatically mean more health benefits.
Red wine contains more of certain compounds.
That does not establish that drinking red wine makes it healthier overall.
White wine isn't antioxidant-free, either. It contains polyphenols too, just generally in lower concentrations and with a different profile.
So don't turn this into:
Red wine = healthy.
White wine = unhealthy.
Science isn't that tidy.
Why Not Just Drink More Red Wine?
Because you can't separate the polyphenols from the alcohol.
That's the problem with treating wine as an antioxidant delivery system.
More wine generally means more exposure to its polyphenols.
But it also means more alcohol.
And alcohol isn't a neutral delivery vehicle.
The World Health Organization states that there is no safe amount of alcohol consumption in relation to health, particularly because alcohol is a carcinogen and the risk of alcohol-related harm increases with consumption. [1]
Singapore HealthHub similarly states that there is no safe amount of alcohol that does not affect health, while providing local guidance for people who choose to drink. [4]
So using alcohol to deliver antioxidants is a little like ordering dessert because you heard there's calcium in the milk.
Technically true.
Not necessarily the best nutritional strategy.
What About “One Glass of Red Wine a Day”?
This is where an old piece of health advice needs some context.
The idea of having one glass of red wine every day became popular partly because observational studies associated moderate drinking with certain cardiovascular outcomes.
But modern evidence has raised questions about whether alcohol itself was responsible for those apparent benefits.
The American Heart Association's position is straightforward: if you don't drink alcohol, don't start drinking for potential health benefits. [2]
Singapore HealthHub similarly states that adults who don't drink alcohol should not be encouraged to start drinking because of potential health benefits. [4]
So there's an important distinction between:
“I already enjoy wine.”
and:
“I should start drinking wine because it's healthy.”
The evidence does not support the second idea.
Can You Get the Antioxidants Without Drinking Alcohol?
Absolutely.
This is perhaps the most useful part of the entire conversation.
Many of the compounds that make red wine interesting from a nutritional research perspective come from the grape, not the alcohol.
Resveratrol is found in grape skins, while many other polyphenols are found throughout plant foods.
You can find polyphenols and antioxidant compounds in foods and drinks such as:
- Grapes
- Berries
- Apples
- Tea
- Cocoa
- Nuts
- Vegetables
- Herbs and spices
The American Heart Association specifically notes that antioxidant compounds found in red wine are also found in foods such as grapes, grape juice and blueberries. [2]
So you don't need to drink a bottle of Cabernet and tell yourself you're “getting your antioxidants.”
Your fruit bowl has entered the chat.
Are Wine Antioxidants Enough to Cancel Out Alcohol?
No.
This is probably the most important takeaway from the entire article.
Wine contains antioxidant compounds.
Alcohol carries health risks.
One does not cancel out the other.
There is no scientifically established equation where:
1 glass of wine + X antioxidants = zero alcohol risk.
Alcohol is associated with a range of health risks, including several cancers, and the risk generally increases as alcohol consumption increases. [1][9]
So don't think of wine as:
Alcohol + antioxidants = balanced.
Think of it as:
An alcoholic beverage that also contains some interesting plant compounds.
Much less romantic.
Much more accurate.
What Is the Healthiest Amount of Wine to Drink for Antioxidants?
Here's the answer:
There isn't one.
There is no recommended amount of wine that you should drink to obtain a meaningful antioxidant benefit.
If you already drink wine because you enjoy it, the more useful approach is to understand how much alcohol you're actually consuming, pace yourself and stay within local drinking guidance.
In Singapore, HealthHub defines one standard drink as 10g of pure alcohol, equivalent to approximately:
- 100 ml of wine at 15% alcohol
- 330 ml of regular beer at 5% alcohol
- 30 ml of spirits at 40% alcohol
HealthHub's current guidance is no more than one standard drink per day for women and two for men for people who choose to drink. It also states that adults who don't drink should not be encouraged to start drinking. [4]
And remember:
A standard drink is not necessarily the same thing as a restaurant glass.
That generous pour your friend just gave you may contain considerably more than 100 ml.
The Bottom Line: Wine Has Antioxidants. But Wine Isn't an Antioxidant Supplement.
So, how many antioxidants are really in wine?
Enough to make the science interesting.
Not enough to make wine a health supplement.
Red wine contains polyphenols, including resveratrol, and generally contains more of these compounds than white wine. But the concentration varies considerably between wines.
There is also no established amount of wine that you should drink specifically to obtain antioxidant or resveratrol benefits.
And drinking more wine to get more antioxidants also means drinking more alcohol.
So if you enjoy wine, enjoy it for what it is:
Wine.
Not a multivitamin with a cork.
And if you're looking to increase your intake of polyphenols and antioxidant compounds, there are plenty of options that don't require a sommelier.
Before Your Next Wine Night
If you're going to drink, the basics still matter:
Eat before and while drinking.
Drink water.
Pace yourself.
Know how much you're actually drinking.
And don't drink more because someone told you red wine is “good for you.”
If you're curious about what alcohol actually does to your body — and why the morning after can sometimes feel significantly less glamorous than the night before — read our Locohol Hangover Guide.
Because antioxidants are nice.
But waking up feeling human is also pretty underrated.
Wine Antioxidants FAQ
Is red wine high in antioxidants?
Red wine contains polyphenols and other antioxidant compounds, including resveratrol, flavonoids and anthocyanins. It generally contains more polyphenols than white wine because of greater contact with grape skins during winemaking. However, red wine should not be considered a health supplement. [3][5]
How much resveratrol is in a glass of red wine?
The amount varies widely depending on the wine. Research has reported red-wine resveratrol concentrations ranging from very low levels to more than 10 mg/L, with one review reporting approximately 0.1–15 mg/L for trans-resveratrol in red wine. [5]
How much wine should I drink to get antioxidant benefits?
There is no established recommended amount of wine for obtaining antioxidant or resveratrol benefits. Health authorities do not recommend starting to drink alcohol for potential health benefits. [1][2][4]
Does red wine have more antioxidants than white wine?
Generally, yes. Red wine usually contains more polyphenols because its production involves greater contact with grape skins. However, having more polyphenols does not prove that red wine provides greater overall health benefits. [3][5]
Does resveratrol in wine have health benefits?
Resveratrol has been extensively studied, but evidence from laboratory, animal and human research does not establish that drinking wine provides a reliable health benefit from resveratrol. The amount of resveratrol in wine is also relatively small and highly variable. [6][7][8]
Can I get the antioxidants in wine without drinking alcohol?
Yes. Grapes, berries, tea, cocoa, nuts, vegetables and other plant foods contain polyphenols and other antioxidant compounds. You do not need to drink alcohol to obtain dietary antioxidants. [2]
Does drinking more wine give you more antioxidants?
Drinking more wine generally increases exposure to its polyphenols, but it also increases alcohol exposure. There is no established recommendation to increase alcohol consumption in order to obtain antioxidant benefits. [1][3]
Is one glass of red wine a day good for you?
Current evidence does not support recommending alcohol as a way to improve health. The American Heart Association does not recommend drinking wine or other alcohol for potential health benefits, and WHO states that alcohol consumption carries health risks. [1][2]
Do wine antioxidants cancel out the harmful effects of alcohol?
No. The presence of antioxidants in wine does not eliminate the health risks associated with alcohol consumption. [1][9]
References
[1] World Health Organization — Alcohol and health
World Health Organization. No level of alcohol consumption is safe for our health. WHO Regional Office for Europe, 2023.
WHO — No level of alcohol consumption is safe for our health
[2] American Heart Association — Alcohol and heart health
American Heart Association. Is drinking alcohol part of a healthy lifestyle?
American Heart Association — Alcohol and Heart Health
[3] Harvard T.H. Chan School of Public Health — Red vs white wine
Roeder, A. Is red wine healthier than white wine? Harvard T.H. Chan School of Public Health, 2026.
Harvard T.H. Chan School of Public Health — Is Red Wine Healthier Than White Wine?
[4] Singapore HealthHub — Alcohol and health
Health Promotion Board, Singapore. Alcohol: The Good, the Bad and the Ugly and dietary guidance on alcohol consumption.
Singapore HealthHub — Alcohol: The Good, the Bad and the Ugly
Singapore HealthHub — Dietary Guidelines for Adults
[5] Guerrero, R.F. et al. — Wine, resveratrol and health
Guerrero, R.F., García-Parrilla, M.C., Puertas, B. & Cantos-Villar, E. Wine, resveratrol and health: a review. Natural Product Communications. 2009;4(5):635–658.
PubMed — Wine, Resveratrol and Health: A Review
[6] Resveratrol, human health and winemaking
Resveratrol, human health and winemaking perspectives. Food Chemistry / related review literature indexed by PubMed.
PubMed — Resveratrol, Human Health and Winemaking Perspectives
[7] Resveratrol and human health
Peer-reviewed review literature examining resveratrol's biological effects and the limitations of translating laboratory findings into established human health benefits.
PubMed — Resveratrol: How Much Wine Do You Have to Drink to Stay Healthy?
[8] Human evidence on resveratrol
Review of the scientific literature examining health effects of resveratrol, including limitations in human evidence.
PubMed — On Health Effects of Resveratrol in Wine
[9] Red wine polyphenols and vascular health
Systematic review and meta-analysis of studies examining red-wine polyphenols and vascular health.
PubMed — Fine Wine or Sour Grapes?
Disclaimer
This article is for general educational and informational purposes only and does not constitute medical advice, diagnosis or treatment. Scientific research can evolve, and individual health circumstances vary. Please consult a qualified healthcare professional for advice specific to you.
This article is not intended to encourage drinking alcohol or increasing alcohol consumption for health benefits.