Tooth Calendar Blog
How Much Juice for Toddlers? 120 mL a Day, in a Cup at Meals
For ages 1 to 3, keep juice to 120 mL a day, in a regular cup at meals. Why even 100% juice is hard on teeth, and how to break the all-day sippy cup habit.
At a glance
- Ages 1 to 3: 4 oz (120 mL) of juice a day, max
- Water for thirst, whole fruit for nutrition
- Don't let a sippy cup of juice travel around all day
Fruit juice is made from fruit, so it seems healthy. And in a sippy cup, kids drink it happily without spilling. But for teeth, how much juice your child drinks, and how, matters a lot. Here are the guidelines worth knowing, and how to change a habit that's already set in.
Why juice isn't the same as fruit
Juice isn't the same as fruit. When fruit is squeezed, the fiber is gone and the sugar stays. So to the teeth, it's basically sugar water. That's true of 100% fruit juice, too, with no sugar added, because the fruit's own sugar is all still there.
The bigger problem is how it's sipped. When a child carries a sippy cup or bottle of juice around all day, the teeth stay bathed in sugar. Every time sugar comes in, the mouth turns acidic, and the teeth slowly dissolve during that time. Drinking it all at once gives saliva a chance to help the teeth recover, but sipping little by little leaves no break.
The American Academy of Pediatrics limits juice to 120 mL (about 4 ounces) a day for ages 1 to 3, and notes that kids don't need juice at all. From age 4, up to 120 to 180 mL a day is okay, but still with meals only. Water for thirst and fruit for nutrition are all your child needs.
Here are some common mistakes parents make.
- "It's 100% juice, so it's fine": Even with no added sugar, it's still sugar to the teeth.
- "My child won't drink water, so at least juice": It's best to make water the go-to drink for thirst. When the whole family drinks water, kids follow along.
- "Giving a little at a time is less harmful": For teeth, a little at a time, often, is actually worse.
- "Juice in a sippy cup to soothe at bedtime": Saliva drops during sleep, so that's the most harmful time of all.
Juice only with meals
- If you offer juice, keep it to 120 mL a day. Setting the daily amount ahead of time means less begging, too.
- Serve it in a regular cup at a meal or snack. It's best to sit, drink, and be done. Don't send juice around in a sippy cup or bottle.
- Never to bed. If your child needs a cup at bedtime, fill it with water only.
- Water for thirst, fruit for nutrition. Whenever your child says they're thirsty, offer water. Rather than squeezing fruit into juice, let them eat it whole.
- Make water the family drink. Kids copy grown-ups. Building a water habit together as a family, instead of sweet drinks, makes it much easier.
If carrying juice around is already a habit, change it slowly rather than stopping all at once. Diluting the juice with a bit more water each day until you can drop it means kids resist less. Keep the rule short and clear: "Water anytime, juice only with meals." Getting in the habit of packing only a water bottle when you go out cuts back naturally.
When the rules change, your child may beg for juice for the first few days. Calmly answer with the same words each time, like "We'll have juice when we eat." It also helps not to keep juice in sight at home. Sharing the same rule with grandparents who help out or with daycare keeps your child from getting mixed messages.
Frequently asked questions
Can babies under one have juice?
The American Academy of Pediatrics recommends no juice for babies before the first birthday. If you offer fruit, it's better to give it whole rather than as juice.
Are sippy cups off-limits?
The sippy cup itself isn't the problem. If it's filled with water, that's fine. The problem is carrying juice or milk around in it all day or taking it to bed.
If I water it down, can my child sip it all day?
Even diluted, it still contains sugar, so sipping it all day is hard on the teeth. Use diluting only as a step toward stopping, and keep juice to mealtimes.
Can I put milk in a sippy cup?
Milk contains sugar too, so sipping it all day isn't good for teeth. Have milk with meals, and offer water in between.
Should my child brush right after juice?
If it was with a meal, a sip of water afterward is fine. Brushing twice a day with fluoride toothpaste, and never skipping bedtime brushing, matters more.
When to see a dentist
- You see white spots or a chalky, dull patch on the front teeth
- A brown stain or spot appears on a tooth
- Your child says cold foods or drinks hurt
- The sippy cup habit has gone on a long time and you're worried about cavities
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Sources
The information in this article is for general educational purposes and does not replace professional dental care. Talk to a dentist about your child's condition.