Maintaining bone health is essential for overall well-being, yet it often goes overlooked in discussions about nutrition. While many focus on dietary choices for heart, brain, and muscle health, the impact of nutrition on bone density is equally significant. It’s time to explore how what you eat influences your bones and discover essential nutrients that support strong skeletal health.
Experts agree that diet plays a pivotal role in the strength and density of bones. While you may track saturated fats for heart health, antioxidants for your brain, and protein for muscle growth, understanding the dietary needs of your bones is just as crucial.
Meet the experts: Skylar Weir, RD, dietitian and founder of Sky’s Rooted Nutrition; Christina Manian, RD, dietitian and sustainable nutrition expert.
First, ensure you’re consuming enough food.
While engaging in strength training is vital for bone health, your nutrition is equally important. As Skylar Weir notes, “The more we take care of our nutrition, the more we take care of our bones.”
Boosting your bone density isn’t as straightforward as focusing on a single nutrient or food group. The first step is ensuring you’re consuming enough calories and nutrients. “Bone density isn’t built from one special diet,” Weir explains. “It’s the result of consistent, adequate nourishment over time.” Inadequate nutrition can harm bone health significantly.
When you don’t eat enough, your body may draw on the vital nutrients that bones require for other functions, which can lead to injuries. Research shows that those with eating disorders, such as anorexia nervosa, are at a dramatically higher risk for bone fractures—up to 57% experience at least one fracture in their lifetime.
Bone density changes occur gradually, highlighting the need for long-term commitment to good nutrition. “Bone health isn’t just about adding calcium,” Weir emphasizes. “It’s about consistently providing your body with enough nourishment to support hormonal and structural systems that keep bones robust.” Without this support, you risk hastening the loss of bone density and developing conditions like osteoporosis.
Next, focus on essential nutrients.
Just like other body tissues, bones need a variety of critical nutrients to function properly. As Weir states, “We are continuously remodeling bones, adding to and taking away from them through calcium turnover.”
Calcium is well-known for its role in bone health, but Christina Manian, RD, mentions that many other nutrients are equally important. “Calcium typically attracts attention as the foremost micronutrient for bone health,” she explains. “However, phosphorus, magnesium, vitamin D, and vitamin K play critical roles as well.” Vitamin D, in particular, is essential for helping the body absorb calcium.
Foods rich in bone-supporting nutrients:
Calcium (1,000-1,200 mg per day): Dairy products such as milk, yogurt, and cheese; leafy greens like kale and broccoli; canned fish with bones; sesame seeds; chia seeds; and fortified cereals and juices.
Vitamin D (600-800 IU or 15-20 mg per day): Salmon, mushrooms, eggs, beef liver, and fortified milk, along with sunshine exposure.
Phosphorus (700 mg per day): Dairy products, lean meats, seafood, legumes, nuts, seeds, and eggs.
Magnesium (310-420 mg per day): Leafy greens, whole grains, nuts, legumes, and avocados.
Vitamin K (90-120 mcg per day): Leafy greens.
In addition to ensuring you get these nutrients, Weir emphasizes the need for adequate intakes of protein and carbohydrates for providing your body with the energy needed to process these nutrients effectively.
Supplements can assist but are not a substitute.
While obtaining calcium, vitamin D, and other essential nutrients from food is best, supplements can be useful when dietary gaps exist. “Food-first is ideal, but supplements can indeed fill gaps,” says Weir, though she cautions that not all supplements are beneficial or safe.
In particular, calcium supplements may not be effective and can lead to issues when taken in excess. “I typically don’t recommend calcium supplements,” Weir warns. Excessive calcium can cause various concerns, such as constipation, kidney stones, or muscle weakness. If you’re uncertain about your calcium intake, it’s wise to consult a healthcare provider before taking any supplements.
Conversely, vitamin D is one of the most prevalent vitamin deficiencies, and supplements can often help. “Vitamin D is a commonly supplemented micronutrient,” Manian notes. As it’s generally considered safe, it’s best to discuss any new supplementation with a healthcare professional. If you’re taking a standard dose (1000 IU) of vitamin D3, you’re unlikely to overdose, especially if you’re also getting sunlight.
Consider these vitamin D supplements recommended by WH editors.
Another option to explore is creatine. While not directly tied to bone health, it can promote increased muscle mass and strength, which is vital for maintaining healthy bones, according to Weir.
Ultimately, it’s crucial to remember that strengthening bone density is a gradual process that requires patience. There are no shortcuts. “Bone health is about synergy,” Weir concludes. “Taking high doses of one nutrient without addressing overall intake, movement, and hormonal health is unlikely to yield significant results.” Prioritizing a balanced approach—with a good amount of calcium-rich cheese—is the key to successful bone health.
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