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Calcium is an essential mineral that helps keep bones and teeth strong. It also supports normal muscle movement, nerve function and blood clotting. Milk and curd (dahi or yogurt) are two popular dairy foods that can help you meet your daily calcium needs.
But which is better for calcium intake: a glass of milk or a bowl of curd?
The answer depends on the type of milk or curd, the quantity consumed and the product's nutritional composition. Both can be valuable parts of a balanced diet.
Calcium is one of the most abundant minerals in the human body. Most of it is stored in the bones and teeth, where it provides strength and structure.
Adequate calcium intake is important for:
If your diet consistently provides too little calcium, your body may draw on calcium stored in your bones to maintain normal blood calcium levels.
Milk and curd both contain calcium, protein and other nutrients. Their exact calcium content varies depending on the milk source, preparation method, serving size and brand.
For a practical comparison, consider the following approximate values for plain dairy products.
| Nutrient | Milk (per 100 g) | Plain Curd (per 100 g) |
|---|---|---|
| Calcium | Around 110–125 mg | Around 100–150 mg |
| Protein | Around 3–4 g | Around 3–5 g |
| Main Nutritional Benefit | Calcium, protein and other nutrients | Calcium, protein and, in some products, live cultures |
Values are approximate and can vary between products. Check the nutrition label for packaged dairy foods.
So, which provides more calcium? Plain curd may provide slightly more calcium per 100 g in some cases, while milk may provide a similar amount. There is no universal winner because the nutritional composition differs between products.
A typical glass of milk and a bowl of curd can both contribute meaningfully to your daily calcium intake.
Milk is a convenient source of calcium and protein. It also provides nutrients such as vitamin B12, riboflavin and, depending on the product, vitamin D.
Regularly including milk in a balanced diet can help you obtain calcium needed to maintain healthy bones and teeth.
Milk contains high-quality protein that supports muscle maintenance, tissue repair and normal growth.
Milk can be consumed on its own or added to porridge, oats and other foods. It can be a practical option for people who prefer drinking their calcium source rather than eating it.
Milk can contribute to calcium intake throughout life. However, nutritional needs differ by age, and infants require age-appropriate feeding rather than ordinary cow's milk as their main drink.
Curd, commonly called dahi in India, is made by fermenting milk with suitable bacterial cultures. Its nutritional content depends on the milk used and the preparation method.
Curd supplies calcium and protein that support bone health and other normal body functions.
Curd made with live cultures may support gut health. Some people who have difficulty digesting lactose may tolerate yogurt better than milk, although tolerance varies from person to person.
Curd can be eaten with roti, rice, khichdi or other meals. It can also be used to prepare raita and other dishes.
If you prefer curd to milk, it can help you obtain calcium as part of your daily diet. Choose plain curd when possible, particularly if you want to avoid added sugar in flavoured varieties.
Calcium requirements depend on age and life stage. Common reference recommendations include:
| Age Group | Daily Calcium Requirement |
|---|---|
| Children aged 1–3 years | 700 mg |
| Children aged 4–8 years | 1,000 mg |
| Children aged 9–18 years | 1,300 mg |
| Adults aged 19–50 years | 1,000 mg |
| Women aged 51–70 years | 1,200 mg |
| Adults aged 71 years and older | 1,200 mg |
These figures are based on US National Institutes of Health reference recommendations. Requirements may differ according to local dietary guidelines and individual circumstances.
Milk and curd can help you meet your daily requirement, but the amount you need depends on the rest of your diet. You do not have to rely exclusively on dairy products.
Both can support bone health when included in a balanced diet. Your overall calcium intake, vitamin D status, physical activity, age and general health also matter.
Consider your preferences and nutritional needs:
Other calcium-containing foods include paneer, certain green vegetables, calcium-set tofu, sesame seeds and calcium-fortified foods. The amount of calcium varies considerably among these options.
Yes. Vitamin D helps your body absorb calcium from food. If vitamin D levels are too low, calcium absorption can be reduced, which may affect bone health.
You can support bone health by eating calcium-rich foods, getting appropriate vitamin D through diet and safe sun exposure, and following medical advice when supplementation is needed.
If you have concerns about vitamin D deficiency, your healthcare professional can determine whether a vitamin D blood test is appropriate.
Some people may need to pay particular attention to calcium intake, including:
People with kidney disease, a history of kidney stones or other relevant medical conditions should seek individual advice before taking calcium supplements.
A blood calcium test measures calcium circulating in your blood. However, blood calcium levels are tightly regulated by the body, so a normal result does not necessarily mean that your dietary calcium intake is adequate or that your bones contain enough calcium.
When there are concerns about bone health or calcium balance, a healthcare professional may consider your diet, symptoms, medical history and appropriate tests. Depending on the situation, additional investigations may be needed.
Avoid starting high-dose calcium supplements based only on symptoms or a single test result.
1. Which has more calcium, milk or curd?
Both provide calcium. Some types of curd may contain slightly more calcium per 100 g, while others contain similar or lower amounts than milk. The exact value depends on the product.
2. Is eating curd every day good for bone health?
Plain curd can contribute calcium and protein to your diet. Bone health also depends on adequate vitamin D, physical activity and overall nutrition.
3. How much calcium is present in one glass of milk?
A 200–250 ml glass of cow's milk typically provides roughly 220–300 mg of calcium, although the amount varies by milk type and serving size.
4. Does homemade curd contain calcium?
Yes. Homemade curd contains calcium because it is made from milk. Its calcium content depends on the milk used and how the curd is prepared.
5. Is curd easier to digest than milk?
Some people tolerate yogurt or curd better than milk because fermentation can reduce some lactose. However, individual tolerance varies, and curd may still cause symptoms in some people.
6. Can I eat milk and curd on the same day?
Yes. Most people can include both in a balanced diet if they tolerate dairy products and have no medical reason to restrict them.
7. Does calcium alone make bones strong?
No. Calcium is essential, but bone health also depends on vitamin D, protein, physical activity, age, hormones and overall health.
8. Which vegetarian foods provide calcium besides milk and curd?
Calcium sources include paneer, calcium-set tofu, sesame seeds, certain green vegetables and calcium-fortified foods. Their calcium content and absorption vary.
9. Can a calcium blood test identify calcium deficiency in my diet?
Not reliably on its own. Blood calcium is tightly regulated and may remain normal even when dietary intake is inadequate. A healthcare professional can assess your overall nutritional and medical situation.
10. Should I take calcium supplements if I do not drink milk?
Not necessarily. You may obtain sufficient calcium from curd and other foods. If your intake is low or you have specific health concerns, discuss your needs with a healthcare professional before starting supplements.
Milk and curd are both useful sources of calcium. Curd may contain slightly more calcium per 100 g in some products, but the difference depends on the type and preparation. Neither is always better than the other.
The best choice is the one you enjoy, tolerate well and can include consistently in a balanced diet. Pay attention to portion sizes, include other calcium-rich foods and maintain adequate vitamin D intake to support healthy bones.