How Much Sugar Should You Eat in a Day? A Science-Backed Guide

Understand sugar recommendations, its effects on your health, and how to make better dietary choices for lasting wellness.

By Medha deb
Created on

How Much Sugar Should You Eat in a Day?

Sugar is ubiquitous in the modern diet, often hidden in common foods and drinks. While sugar can make food taste more enjoyable and provide a quick source of energy, excessive intake poses serious health risks. Navigating regulatory guidelines, ingredient labels, and ever-changing nutrition advice can be confusing. This guide clarifies recommended daily sugar intake, the distinctions between natural and added sugars, and offers actionable strategies for healthier eating.

Understanding Sugar: The Basics

Sugar is a type of simple carbohydrate and comes in several forms:

  • Natural sugars: Found naturally in whole foods like fruits (fructose) and dairy products (lactose).
  • Added sugars: Sugars and syrups added to foods or beverages during processing or preparation.
  • Free sugars: Includes all added sugars plus sugars naturally occurring in honey, syrups, and unsweetened fruit juices.

While natural sugars are generally not a concern when eating whole foods, added sugars are associated with health risks when consumed in excess.

Recommended Daily Sugar Intake

Health authorities around the world set their own suggested limits for sugar intake. Some key guidelines include:

OrganizationRecommended Added/Fee Sugar Limit (Adults)Equivalent in Teaspoons% of Calories
American Heart Association (AHA) Men: 36g (150 cal)
Women: 25g (100 cal)
Men: 9 tsp
Women: 6 tsp
~6–7%
World Health Organization (WHO)<25g~6 tsp<5%
Dietary Guidelines for Americans (USDA/FDA)<50g (on 2000 kcal diet)12.5 tsp<10%
UK NHS<30g7 tsp5%

Note: Children and adolescents have even stricter limits. For example, UK NHS recommends:

  • 7–10 years: <24g/day
  • 4–6 years: <19g/day
  • 1 year: <10g/day

Babies under 2 years old should not consume any added sugar.

Different Types of Sugars and Where They’re Found

When evaluating your sugar intake, distinguish between total sugars (all sugars in a product: natural + added) and added/free sugars (those added by manufacturing or cooking). Major sources of added sugar in modern diets include:

  • Sugar-sweetened beverages (sodas, energy drinks, sweetened teas, fruit punches)
  • Desserts and pastries (cakes, cookies, ice cream)
  • Breakfast cereals and granola bars
  • Candies and chocolate
  • Processed and convenience foods (some yogurts, sauces, dressings, ketchup)

Naturally occurring sugars in whole fruits, vegetables, and milk are not considered problematic by leading health organizations because these foods provide essential nutrients, fiber, and support satiety.

How Much Sugar Are Most People Consuming?

The average American is estimated to consume about 17 teaspoons (~68g) of added sugar daily—well above any recommended threshold. Children and teenagers often surpass even this level.

  • For reference, one 12oz can of cola contains about 39g (nearly 10 tsp) of sugar, exceeding many daily limits.
  • A single older-style candy bar may contain close to a whole day’s worth of added sugar according to AHA or WHO guidelines.

The primary drivers of excessive sugar intake are sugary drinks, processed snacks, and restaurant or convenience foods.

Health Risks of Excess Sugar Intake

There is robust evidence linking high added sugar intake to negative health outcomes:

  • Increased risk of obesity: Excess sugar provides empty calories and can lead to weight gain.
  • Type 2 diabetes: Diets high in added sugar are associated with greater risk of developing type 2 diabetes, even independent of weight.
  • Heart disease: People consuming more than 15–20% of calories from added sugar exhibit higher rates of cardiovascular disease.
  • Cavity formation: Sugary foods and drinks feed harmful oral bacteria, causing dental caries.
  • Non-alcoholic fatty liver disease (NAFLD): Linked to high intake of fructose-containing sugars.
  • Increased inflammation and poor metabolic health: Diets heavy in added sugar elevate inflammatory markers and worsen other metabolic risk factors.

Added vs. Natural Sugar: Why the Difference Matters

Natural sugars—in whole fruits and dairy—are combined with fiber, vitamins, and minerals, helping moderate blood sugar spikes and support overall nutrition. Studies show consuming fruit in its whole form is beneficial for health. Conversely, the metabolic impact of added sugars (especially in sweetened drinks and processed snacks) is negative because these sugars typically arrive with negligible nutritional value and are rapidly absorbed.

How to Spot Added Sugars on Nutrition Labels

Food and beverage manufacturers employ many names for added sugar in ingredient lists, such as:

  • Sucrose
  • High-fructose corn syrup
  • Corn syrup
  • Honey
  • Maple syrup
  • Cane sugar, brown sugar
  • Dextrose, glucose, maltose
  • Coconut or date sugar

Current USA regulations require that added sugars be listed separately within the Nutrition Facts panel, in grams and as a % Daily Value (DV) for a 2,000-calorie diet. Check both the ingredients and the Nutrition Facts panel to get a clear picture.

Quick label check tips:

  • 5% Daily Value (DV) or less for added sugars is considered low.
  • 20% DV or more is high.

Tips for Reducing Added Sugar Intake

  • Opt for water, herbal tea, or unsweetened beverages instead of sodas and sugary drinks.
  • Choose plain yogurt and add fresh fruit instead of buying pre-flavored yogurts.
  • Read ingredient lists and avoid products listing sugars among the first few ingredients.
  • Cook and prepare more meals at home using whole ingredients.
  • Swap desserts for fruit more frequently and view sweets as an occasional treat.
  • Use spices like cinnamon or vanilla to enhance sweetness naturally in recipes.

Are Some Sugar Alternatives Better?

While:

  • Honey, maple syrup, and coconut sugar may seem healthier, they count as added sugars in most guidelines and have similar caloric content to table sugar.
  • Artificial sweeteners (aspartame, sucralose) and stevia offer sweetness with fewer or zero calories, but their health impacts are still debated, and excessive use is not generally recommended for children.
  • Focus should remain on

    reducing the overall desire for sweet foods

    , rather than substituting with other sweeteners.

If choosing sugar alternatives, do so sparingly and be aware of overall diet quality.

Frequently Asked Questions (FAQs)

Q: What is the recommended daily sugar intake for adults?

A: The American Heart Association recommends a limit of 36g (9 tsp) per day for men and 25g (6 tsp) for women. Some global health organizations recommend consuming less than 25g (6 tsp) per day for everyone.

Q: Are natural sugars in fruit unhealthy?

A: No. Sugars found in whole fruits come packaged with fiber, water, vitamins, and minerals. Most dietary guidelines encourage fruit consumption, and intake of whole fruits is linked to better health outcomes.

Q: How can I tell if a product contains added sugars?

A: Check both the “Added Sugars” line in the Nutrition Facts label and scan the ingredients list for terms like high-fructose corn syrup, honey, dextrose, maltose, etc. Multiple forms of sugar may appear in one product.

Q: Is cutting out all sugar necessary for good health?

A: It’s not necessary to eliminate all sugar, but greatly reducing added sugars—especially from processed foods and sweetened beverages—supports long-term health. Focus on overall nutrition quality and moderation.

Q: Are some types of sugar healthier than others?

A: From a calorie and metabolic perspective, most sugars (honey, maple syrup, cane sugar, etc.) are processed similarly by the body. The important distinction is between natural sugars in whole foods and added/free sugars from processed sources.

Key Takeaways: Prioritize Quality, Not Just Quantity

  • For optimal health, limit added sugar intake as much as possible—aiming for under 5–10% of total calories (about 25–50g for most adults).
  • Whole fruits, vegetables, and dairy are healthy despite their natural sugar content, while added sugars from processed foods and beverages are responsible for most negative health impacts.
  • Use nutrition labels, prioritize whole and minimally processed foods, and view sweets as an occasional treat, not a dietary staple.

Striking a healthy balance means being an informed consumer, understanding where added sugars hide, and making conscious choices to support both immediate and long-term well-being.

Medha Deb is an editor with a master's degree in Applied Linguistics from the University of Hyderabad. She believes that her qualification has helped her develop a deep understanding of language and its application in various contexts.

Read full bio of medha deb