Milk and dairy products are rich sources, but not the only ones. Green vegetables, almonds, sesame seeds, and calcium-rich mineral water also contribute. Anyone who doesn’t eat dairy products should deliberately include these sources.
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Preventing Osteoporosis: How to Keep Bones and Muscles Strong
Bones may seem rigid, but they are living tissue that is constantly being broken down and rebuilt. Until about the age of thirty, formation outweighs degradation; after that, bone mass slowly decreases, initially accelerating in women after menopause. Osteoporosis means that this loss has progressed so far that bones can break even under minor stress.
The good news: bones respond to loading and supply throughout life. This guide shows which factors protect bone substance, why muscles play the decisive role, and when medical clarification is advisable.
Who is at risk
The risk of osteoporosis increases with age and is significantly higher in women, especially after menopause when protective estrogen levels drop. Other risk factors include a family history of osteoporosis or hip fractures, being underweight, smoking, regular alcohol consumption, lack of exercise, early menopause, as well as certain diseases and medications—most notably long-term cortisone therapy. Anyone who combines several of these factors should discuss the matter with a doctor at an early stage.
Exercise: Loading builds bone
Bones adapt to the forces acting upon them. Tension and pressure from muscles and body weight stimulate bone formation, while lack of use leads to degradation. Therefore, weight-bearing activities are most effective: brisk walking, climbing stairs, hiking, dancing, running, and especially strength training. Swimming and cycling are good for the cardiovascular system but provide little stimulation for the bones.
Muscles and bones form a single unit: strong muscles place greater load on the bones and simultaneously protect against falls, the most common cause of osteoporotic fractures. Age-related muscle loss, known as sarcopenia, is therefore an independent risk factor. Balance exercises, coordination training, and strength training twice a week form the foundation at any age.
Calcium, Vitamin D, and More: Nutrient Supply
Calcium
Calcium is the most important building block of bone and contributes to the maintenance of normal bones and normal muscle function. Adults need around 1,000 milligrams daily. Good sources include milk and dairy products, green vegetables such as kale and broccoli, almonds, sesame seeds, and calcium-rich mineral water. Calcium obtained through the diet is better absorbed than from high-dose supplements, which offer no additional benefit if there is no deficiency.
Vitamin D
Vitamin D contributes to the normal absorption and utilization of calcium, the maintenance of normal bones, and the maintenance of normal muscle function. The body primarily produces it in the skin when exposed to sunlight; in Central Europe, this is usually insufficient during the winter months. A blood test is the best way to determine whether supplementation is necessary and at what dose. Details can be found in our nutrient guide profile, linked below.
Vitamin K, Magnesium, and Protein
Vitamin K and magnesium contribute to the maintenance of normal bones; magnesium additionally contributes to normal muscle function. Protein contributes to the maintenance of normal bones and the maintenance of muscle mass; in old age, the requirement tends to increase rather than decrease. Green vegetables, whole grains, nuts, legumes, dairy products, fish, and meat together cover these nutrients.
When a bone density test is useful
A measurement is recommended for women after menopause with risk factors, for men of advanced age, after a bone fracture without a corresponding accident, during long-term cortisone therapy, and in cases of diseases that weaken the bone. Osteoporosis can be effectively treated with medication; calcium and vitamin D are supporting factors, not replacements. Clarify your personal risk at your doctor’s office instead of waiting until the first fracture provides the diagnosis.
What weakens bones
Smoking and regular alcohol consumption directly attack bone metabolism. Severe underweight and eating disorders deprive the bone of building blocks and hormones. A lack of exercise and long periods of bed rest quickly lead to measurable degradation. With some medications, such as cortisone or certain stomach acid blockers when taken long-term, bone health is a known issue; discuss this with your doctor if you are on long-term medication, without changing your intake on your own.
Muscles: Training, Regeneration, Joints
Strength training is the most effective single measure for both bones and muscles, and it is never too late to start: even people over eighty can still measurably build strength under guidance. Important factors include proper technique, a gradual increase in intensity, and sufficient protein distributed throughout the day. Plant-based adaptogens such as Ashwagandha have been studied in conjunction with strength training for strength gains and recovery; you can find the relevant studies below this article.
Those who are less active due to joint complaints lose out twice. Curcumin from turmeric root was compared with a common painkiller in a controlled study on knee osteoarthritis; such approaches can be supportive but do not replace medical treatment of the underlying cause.
Conclusion
Strong bones result from loading and supply: strength training and weight-bearing exercise, sufficient calcium and protein from the diet, vitamin D as needed, as well as avoiding nicotine and exercising restraint with alcohol. Strong muscles protect against the fall that causes the bone to break in the first place. If you have risk factors, have your bone density measured; osteoporosis is treatable if it is detected.
Studien zu diesem Thema
- 2025 Ashwagandha for sportswomen: Better recovery and more strength
- 2024 Ashwagandha in strength training: more strength, endurance and muscle growth
- 2024 Magnesium and the signs of ageing: an essential mineral for healthy ageing
- 2021 Bioavailable turmeric extract in knee osteoarthritis: a randomized, non-inferiority trial compared to paracetamol
Häufige Fragen
In Central Europe, the body’s own production via the skin is usually insufficient from around October to March. A blood test will show whether and how much to supplement; a blanket high dose is not advisable.
Yes, especially then. Muscle strength and bone density respond to training at any age, and stronger muscles lower the risk of falls. Guided technique and a gradual increase in intensity are important.
Osteopenia refers to reduced bone density that has not yet reached the threshold for osteoporosis. It is a warning sign and the best time to take countermeasures through exercise and nutrient supply.
Fachliche Prüfung
Prof. Dr. med. Dr. phil. Martin Hörning
Arzt, Professor i.R. und Mitbegründer von sanitas
Seit 40 Jahren beschäftigt er sich intensiv mit den Themen Prävention, Gesundheitsförderung, Achtsamkeit, Longevity und Naturheilverfahren. In Herstelle führt er eine kleine Privatpraxis.