Tips for Healthy Teeth and Gums Throughout Your Life

Nutritional Weight & Wellness Staff

August 10, 2026

Most of us learned the basics of dental care at an early age: brush your teeth, floss, and visit the dentist regularly. Those habits are important, but there is another part of oral health that does not always get as much attention... what you eat.

lady smiling with a toothy smil

Your gums are living tissue. Your teeth and the bones that support them need vitamins, minerals, protein, and healthy fats. The bacteria that form plaque are also affected by what you eat and drink throughout the day.

In other words, your mouth is not separate from the rest of your body.

Bleeding, puffy, or receding gums may be easy to brush off as a dental inconvenience, but those symptoms can be signs that the tissues in your mouth are irritated or inflamed. That inflammation may also be connected to your health beyond your mouth, including your heart health.

The encouraging news is that many of the same real-food choices we recommend for balanced blood sugar, a healthy heart, and lower inflammation also support your teeth and gums.

Do you learn better by listening? Hear more in the Dishing Up Nutrition episodes Diet Tips for Healthy Teeth & Gums, Dental Health with Special Guest Dr. Michelle Jorgenson, and The Dental Diet Book Review.

What is Plaque and What Happens When It Builds Up?

Plaque is a sticky film of bacteria, food particles, and saliva that naturally forms on the teeth. Everyone has bacteria in their mouth. Everyone forms plaque. The concern is what happens when plaque-causing bacteria are repeatedly fed sugar and refined carbohydrates and plaque is not regularly removed.

If plaque remains on the teeth, it can combine with minerals in saliva and harden into tartar. Unlike soft plaque, tartar cannot be brushed away at home. It needs to be removed during a professional dental cleaning.

Tartar can also build up beneath the gumline, where it irritates the surrounding tissue. Over time, the gums may become red, swollen, tender, or prone to bleeding. Pockets can develop between the gums and teeth, creating even more space for bacteria to collect.

This is why regular bleeding during brushing or flossing is worth paying attention to. It is communication from your body that something in the gum tissue needs support.

What Foods Feed Plaque-Causing Bacteria?

Most people know that candy can be hard on teeth, but candy is not the only food oral bacteria can use to multiply.

Foods that feed plaque-causing bacteria are sugars and starches, specifically fermentable carbohydrates. These foods are uniquely cariogenic (cavity causing) because they are rapidly broken down or "fermented" by oral bacteria into harmful acids that damage your teeth enamel and gums if not removed regularly.

Plaque forming culprits:

Sugary food and drinks: candy, soft drinks, sugar-sweetened beverages, fruit juices
Starch and refined carbohydrates: cereal, white bread and pasta, chips, crackers, baked goods like cookies and pastries
Sticky/adhesive carbohydrates: dried fruits, caramel, sweetened lozenges, fruit snacks, gummy candy

When these foods show up frequently throughout the day as part of your normal dietary pattern, bacteria in the mouth receive a steady supply of fuel.

Sticky foods are especially challenging because they cling to teeth and can settle into the spaces between teeth and along the gumline. This allows them to remain in contact with the teeth - and fuel plaque-causing bacteria - for longer, amplifying their cariogenic potential.

Frequency matters, too. Slowly sipping a sweet drink or repeatedly grazing on processed snack foods exposes the teeth over and over again. This is different from eating a balanced meal, finishing it, and giving your mouth a break.

The goal is not to become fearful of food or feel that eating has to be perfect. Start by noticing patterns. Are sweetened drinks lasting all afternoon? Are crackers or candy always within reach? Are most snacks coming from a package rather than from protein, vegetables, fruit, or natural fat?

Small upgrades in those daily patterns can make a meaningful difference.

What About Soda, Coffee, and Other Drinks?

What you sip throughout the day matters just as much as what you chew.

Regular soda combines sugar with acid. Diet soda removes the sugar, but it is still acidic. The internal dental-health discussions specifically call out phosphoric acid in soda as being hard on tooth enamel.

Juice, energy drinks, and other sweetened beverages also expose teeth to sugar in liquid form. Because there is little chewing involved, these drinks are easy to consume quickly ... or sip continuously without realizing how long the teeth have been exposed.

Coffee is another acidic drink. That does not necessarily mean you have to give up your morning cup. One practical suggestion from the gum-health episode is to drink coffee during a defined period rather than nursing it all morning. Afterward, rinse your mouth with water and wait about 20 minutes before brushing.

Bottom line: Water remains the simplest everyday beverage for oral health. It helps rinse food particles from the mouth and chewing surfaces while supporting saliva production.

Why Gum Health Matters for Heart Health

Gum disease is not simply a cosmetic issue. It is an inflammatory condition affecting the tissues surrounding the teeth. Almost 50% of Americans aged 30 or older have gum disease (1).

Gum disease not only affects the health of your gums and teeth, but it also can lead to serious complications to the heart! People with gum disease are twice as likely to suffer from heart problems.

Several studies published in the AAP's Journal of Periodontology (JOP) and a recent scientific statement from the American Heart Association (AHA) reveal that periodontal disease is independently associated with a higher risk of atherosclerotic cardiovascular disease, including heart attack, stroke, and heart failure. Chronic inflammation and harmful bacteria from infected gums can enter the bloodstream, potentially fueling plaque buildup in the arteries, underscoring why periodontists are urging closer collaboration with cardiologists, especially for patients at elevated risk (2).

This does not mean that every person with gum disease will develop heart disease or that gum disease is the single cause of a heart problem. It does mean that oral inflammation should not be viewed as something neatly contained within the mouth.

The mouth offers a place where we can visibly see inflammation. Gums that bleed easily, appear swollen, or pull away at the gum line are clues that the tissue is not as healthy as it could be.

That is one more reason to take gum health seriously. Caring for your gums through daily cleaning, professional dental care, and nourishing food is also one way to care for your overall health.

Nutrients That Support Healthy Teeth and Gums

There is no single miracle food or vitamin for oral health. Teeth, bones, and gum tissue rely on many nutrients working together.

Here are some of the nutrients most important to healthy teeth and gums.

Protein and Collagen for Gum Tissue

Protein provides amino acids your body uses to build and repair tissue. Because gums are soft tissue, getting adequate protein throughout the day gives the body the raw materials it needs for maintenance and healing.

Collagen is another important structural component of gum tissue. Homemade bone broth is one real-food source discussed in The Dental Diet Book Review. Collagen powder may also be used as an addition, but it should complement, not replace, complete protein from foods such as meat, fish, eggs, poultry, and dairy when tolerated.

Think of it this way: you cannot continually repair tissue without providing the building materials. Protein and collagen are building materials.

Vitamin C keep gums healthy

Vitamin C is especially important for gum and connective tissue.

Many people immediately think of orange juice when they hear vitamin C, but there are plenty of lower-sugar whole-food sources. Broccoli, red bell peppers, Brussels sprouts, cabbage, tomatoes, kiwi, strawberries, and whole citrus fruit all provide vitamin C.

Including a variety of colorful vegetables and some whole fruit gives the gums vitamin C along with many other supportive nutrients.

For more information, listen to our Dishing Up Nutrition podcast about healthy skin, teeth and gums.

Vitamins A, D, and K2 for Teeth and Supporting Bones

Vitamins A, D, and K2 are discussed together in the internal dental material because they help the body build, maintain, and repair teeth and bones.

Vitamin D helps the body absorb and use calcium. Food sources include fatty fish, liver, pasture-raised eggs, and full-fat dairy.

Vitamin K2 helps direct calcium into bones and teeth, where it belongs. Foods that provide this vitamin include pasture-raised eggs, grass-fed butter, organ meats, shellfish, full-fat dairy, and fermented foods such as sauerkraut, kimchi, and natto.

Vitamin A supports tissue repair and normal immune function. The active form of vitamin A is found in foods such as liver, cod liver oil, fatty fish, egg yolks, butter, and other full-fat animal foods.

These fat-soluble vitamins are another reason that removing all-natural fat from meals is not supportive. Dietary fat helps the body absorb and use these nutrients.

CoQ10 and Omega-3 Fats

CoQ10 is discussed in our dental podcast episodes in connection with inflamed or bleeding gums. CoQ10 helps meaningfully reduce inflammation. Food sources include beef, pork, chicken, organ meats, sardines, herring, salmon, tuna, and mackerel.

Omega 3 fats are often included in the Weight & Wellness way of eating because they support a balanced inflammatory response throughout the body. Fatty fish are a real-food source of these important anti-inflammatory fats.

It's important to start with real food first, rather than jumping to a long list of supplements. If you struggle to get enough needed vitamins & minerals, then consider supplementing with a high-quality supplement.

Water and Saliva

Saliva is one of the mouth’s natural protective tools. It helps wash bacteria and food particles from the teeth and begins the digestive process.

When the mouth is dry, bacteria and food residue are not cleared as effectively. Dehydration and certain medications can both contribute to dry mouth.

Drink water consistently throughout the day rather than trying to catch up all at once. If dry mouth continues even when you are well hydrated, bring it up with your dentist or healthcare provider.

Real Foods to Include for Healthy Teeth and Gums

A mouth-supportive way of eating does not require a separate “dental diet.” It looks very similar to the balanced real-food meals we recommend for whole-body health.

Build meals around:

Quality animal protein: beef, poultry, pork, eggs, fish, seafood, and full-fat dairy when tolerated
Fatty fish: salmon, sardines, herring, mackerel, anchovies, and tuna
Vitamin C-rich vegetables and fruits: broccoli, bell peppers, Brussels sprouts, cabbage, tomatoes, berries, kiwi, and citrus
Natural fats: butter, olive oil, avocado oil, avocado, olives, nuts, and seeds
Collagen-supporting foods: protein-rich meals and homemade bone broth
Fermented foods: sauerkraut, kimchi, plain full-fat yogurt, and other tolerated fermented foods
Water: as the primary everyday drink

Rather than searching for one perfect food, look at the pattern of your meals. Are you regularly eating protein? Are there colorful vegetables on your plate? Is there a natural fat that makes the meal satisfying and helps you absorb fat-soluble vitamins?

Healthy Mouth, Healthy Body

Healthy teeth and gums are one more reason to eat real, nourishing food.

Quality protein supplies building blocks for gum tissue. Colorful vegetables and whole fruits provide vitamin C and antioxidants. Natural fats help the body use fat-soluble vitamins. Fatty fish supplies omega-3 fats and CoQ10. Water supports saliva and helps clear food particles from the mouth.

At the same time, reducing the repeated exposure to sugar, refined carbohydrates, soda, and other acidic drinks gives plaque bacteria less fuel.

Start with one practical upgrade rather than changing everything at once.

Replace one sweetened drink with water.
Add a vitamin C-rich vegetable to dinner.
Build breakfast around eggs and breakfast meat instead of cereal.
Stop carrying your coffee cup around all morning and rinse with water when you are finished.

Every meal and snack is another opportunity to nourish your teeth, gums, heart, and whole body. The goal is not perfection. It is a pattern of balanced, nutrient-dense choices you can repeat.

Need support turning these ideas into meals that work for your schedule, preferences, and health history? Our licensed nutritionists and registered dietitians can help you create a realistic real-food plan through one-on-one nutrition counseling.

Learn more about nutrition counseling