What Is Calcium? Functions, Benefits, and Health Impact

Calcium is a mineral that your body needs in large amounts to stay healthy. About 99% of the calcium in your body is stored in your bones and teeth, making them strong and hard. The remaining 1% circulates in your blood and plays a key role in many vital functions.

Why Calcium Is Important:

  • ๐Ÿฆด Bones & Teeth โ€“ Calcium gives structure and strength, preventing fractures and osteoporosis.

  • ๐Ÿ’ช Muscles โ€“ Helps muscles contract and relax, including your heart muscle.

  • ๐Ÿง  Nerves โ€“ Supports proper nerve signaling, so your brain can send messages to the body.

  • ๐Ÿฉธ Blood Clotting โ€“ Plays a role in stopping bleeding when you get injured.

calcium food

How Much Calcium Per Day? (RDA by Age & Sex)

https://platefulldiet.com/Your calcium needs change depending on your age, sex, and life stage. The Recommended Dietary Allowance (RDA) gives a guideline for daily intake to keep bones and body functions healthy.

๐Ÿฅ› Recommended Daily Calcium Intake (mg/day)

Age GroupMaleFemaleSpecial Notes
1โ€“3 years700 mg700 mgRapid growth phase
4โ€“8 years1,000 mg1,000 mgImportant for bone development
9โ€“18 years1,300 mg1,300 mgPeak bone-building years
19โ€“50 years1,000 mg1,000 mgMaintains bone strength
51โ€“70 years1,000 mg1,200 mgWomen need more after menopause
71+ years1,200 mg1,200 mgHigher need due to bone loss
Pregnant & Breastfeeding (14โ€“18 yrs)โ€”1,300 mgExtra demand for babyโ€™s bones
Pregnant & Breastfeeding (19โ€“50 yrs)โ€”1,000 mgSupports mother & baby

Top Calcium Rich Foods (Dairy & Non-Dairy) with mg per Serving

Getting enough calcium is easier when you know which foods are naturally rich in it. Below is a list of top calcium-rich foods, grouped into dairy and non-dairy sources, along with their approximate calcium content per serving.

๐Ÿฅ› Dairy Sources of Calcium

FoodServing SizeCalcium (mg)
Milk (cowโ€™s, whole/skim)1 cup (240 ml)~300 mg
Yogurt (plain, low-fat)1 cup (245 g)~415 mg
Cheese (cheddar)1 oz (28 g)~200 mg
Cheese (parmesan)1 oz (28 g)~330 mg
Paneer (Indian cottage cheese)100 g~208 mg

๐ŸŒฑ Non-Dairy Sources of Calcium

FoodServing SizeCalcium (mg)
Tofu (calcium-set)100 g~350 mg
Almonds1 oz (28 g, ~23 nuts)~75 mg
Chia seeds1 oz (28 g, ~2 tbsp)~180 mg
Sesame seeds (unhulled)1 tbsp (9 g)~88 mg
White beans (cooked)1 cup (170 g)~160 mg
Kale (cooked)1 cup~95 mg
Broccoli (cooked)1 cup~60 mg
Figs (dried)5 pieces (~40 g)~65 mg
Ragi (finger millet, Indian staple)100 g (flour)~344 mg

Seafood Calcium Rich Foods (Sardines & Canned Salmon with Bones)

Seafood is not only high in omega-3 fatty acids and protein, but some varieties are also among the best calcium-rich foodsโ€”especially when eaten with their soft, edible bones.

๐ŸŸ Calcium in Seafood (per serving)

SeafoodServing SizeCalcium (mg)Notes
Sardines (canned in oil, with bones)3 oz (85 g)~325 mgOne of the richest natural calcium sources
Salmon (canned with bones)3 oz (85 g)~180 mgEdible bones are key for calcium
Shrimp (cooked)3 oz (85 g)~125 mgAlso provides selenium & iodine
Crab (cooked)3 oz (85 g)~100 mgLow-fat, nutrient-rich

โœ… Why Seafood Matters for Calcium

  • High bioavailability: Calcium from sardines and canned salmon bones is well absorbed.

  • Double benefit: You get both calcium + vitamin D, which work together for bone strength.

  • Great option: For people who donโ€™t consume dairy regularly.

Calcium Rich Foods for Indian Diets (Easy, Affordable Options)

Many traditional Indian foods are naturally rich in calcium and can easily fit into everyday meals. These options are budget-friendly, vegetarian, and widely available across Indian kitchens.

๐Ÿ‡ฎ๐Ÿ‡ณ Common Calcium-Rich Indian Foods

FoodServing SizeCalcium (mg)Notes
Ragi (finger millet)100 g flour~344 mgPopular in dosa, porridge, rotis
Sesame seeds (til)1 tbsp (9 g)~88 mgUsed in til ladoos, chutneys
Moringa (drumstick leaves)1 cup (cooked)~150 mgExcellent in sabzis, dals
Amaranth leaves (chaulai)1 cup (cooked)~135 mgNutritious leafy green
Rajma (kidney beans)1 cup (cooked)~60 mgProtein + calcium
Chole (chickpeas)1 cup (cooked)~80 mgRich in calcium + fiber
Paneer100 g~208 mgAffordable, versatile
Curd (dahi)1 cup (245 g)~275 mgImproves calcium absorption
Jaggery with sesame/peanuts (til-gud ladoo, chikki)1 piece~40โ€“50 mgTasty, seasonal source

โœ… Easy Ways to Boost Calcium in an Indian Diet

  • Include ragi porridge or roti 2โ€“3 times a week.

  • Add drumstick or amaranth leaves to dals and curries.

  • Snack on sesame ladoos or chikki during winters.

  • Enjoy a glass of buttermilk or a cup of curd daily.

Calcium Rich Foods for Life Stages (Teens, Pregnancy, 50+)

Calcium needs change throughout life. Eating the right calcium-rich foods at each stage helps support growth, bone strength, and long-term health.

๐Ÿ‘ฉโ€๐ŸŽ“ Teens (9โ€“18 years)

Why it matters: Rapid bone growth and hormonal changes make calcium crucial for building strong bones.
Daily RDA: ~1,300 mg/day

Best Calcium Foods for Teens:

  • Milk, curd, paneer, cheese ๐Ÿฅ›

  • Ragi dosa, chapatis, or porridge ๐ŸŒพ

  • Almonds, sesame seeds, chia seeds ๐ŸŒฑ

  • Leafy greens like spinach, amaranth, moringa ๐Ÿƒ

๐Ÿคฐ Pregnancy & Lactation

Why it matters: Calcium supports the babyโ€™s developing bones, teeth, and heart while protecting the motherโ€™s bone stores.
Daily RDA: ~1,000โ€“1,200 mg/day

Best Calcium Foods for Pregnancy:

  • Curd and paneer (easy to digest, probiotic benefits)

  • Fortified milk/soy milk ๐Ÿฅ›

  • Sardines or salmon (if non-vegetarian, adds vitamin D + calcium)

  • Ragi, sesame ladoos, drumstick leaves (traditional Indian options)

๐Ÿ‘ต Adults 50+ (Post-Menopause & Seniors)

Why it matters: Bone density decreases with age; post-menopausal women are at higher risk of osteoporosis.
Daily RDA: ~1,200 mg/day

Best Calcium Foods for Seniors:

  • Low-fat milk, curd, and fortified plant milks ๐Ÿฅ›

  • Ragi porridge or multigrain chapati ๐ŸŒพ

  • Tofu, beans, lentils for vegetarians ๐ŸŒฑ

  • Sardines or canned salmon (calcium + vitamin D combo) ๐ŸŸ

  • Sesame seeds and nuts for snacks


โœ… Quick Tips by Stage

  • Teens: Focus on dairy + ragi for strong peak bone mass.

  • Pregnancy: Mix curd + leafy greens + sesame daily.

  • 50+: Prioritize easy-to-digest foods (curd, soups, fortified options) and pair with vitamin D sources for absorption.

1-Day Sample Menu Hitting 100% Calcium from Foods (Veg/Non-Veg)

๐Ÿฅฆ Vegetarian Menu (~1,050 mg Calcium)

Breakfast

  • 1 glass fortified milk (250 ml) โ€“ 300 mg

  • 2 ragi dosas with chutney โ€“ 250 mg

Mid-Morning Snack

  • 10 almonds + 1 tbsp sesame seeds โ€“ 80 mg

Lunch

  • 1 cup palak dal (spinach + lentils) โ€“ 180 mg

  • 2 chapatis (multigrain with ragi flour) โ€“ 100 mg

  • Curd (150 g) โ€“ 120 mg

Evening Snack

  • 1 bowl roasted chickpeas (30 g) โ€“ 60 mg

Dinner

  • 1 cup tofu stir-fry with veggies โ€“ 120 mg

โœ… Total: ~1,110 mg calcium


๐ŸŸ Non-Vegetarian Menu (~1,200 mg Calcium)

Breakfast

  • 1 cup fortified milk + oats porridge โ€“ 350 mg

  • 1 boiled egg โ€“ 25 mg

Mid-Morning Snack

  • 1 cup yogurt with chia seeds โ€“ 200 mg

Lunch

  • 1 serving sardine curry (with bones) โ€“ 325 mg

  • 1 cup rice + dal + vegetables โ€“ 100 mg

Evening Snack

  • Handful of sesame + peanuts โ€“ 100 mg

Dinner

  • 1 cup paneer bhurji โ€“ 280 mg

  • Salad with leafy greens โ€“ 50 mg

โœ… Total: ~1,200 mg calcium

Safety: Upper Limits, Interactions (PPIs, Thyroid meds, Iron/Zinc timing)

While calcium is essential, too much can be harmful or interfere with how other nutrients and medicines work.


โš ๏ธ Upper Limit for Calcium

  • Adults (19โ€“50 years): 2,500 mg/day

  • Adults (51+ years): 2,000 mg/day

  • Consistently taking more than this (from supplements, not foods) may increase risk of kidney stones, constipation, and heart issues.


๐Ÿ’Š Common Drug Interactions

  1. PPIs (Proton Pump Inhibitors โ€“ for acidity/GERD):

    • Long-term use can reduce stomach acid, lowering calcium absorption.

    • Tip: Prefer calcium citrate (absorbs better with low stomach acid).

  2. Thyroid Medications (Levothyroxine):

    • Calcium interferes with absorption.

    • Tip: Take thyroid medicine on an empty stomach and wait at least 4 hours before consuming calcium-rich foods or supplements.

  3. Iron & Zinc Supplements:

    • Calcium competes with iron and zinc absorption.

    • Tip: Separate iron/zinc supplements and calcium by 2โ€“3 hours.

FAQs: Calcium Rich Foods

1. What are the best calcium rich foods?

The best calcium-rich foods include milk, yogurt, cheese, ragi (finger millet), sesame seeds, almonds, leafy greens (spinach, kale), and seafood like sardines and canned salmon with bones. Fortified foods (plant milk, cereals) also help boost calcium intake.

2. How much calcium do I need per day?

Most adults need about 1,000 mg per day. Teens (9โ€“18 years) need 1,300 mg, while women over 50 and men over 70 need 1,200 mg daily.

3. Can I get enough calcium without dairy?

Yes. Non-dairy calcium-rich foods include ragi, tofu, sesame seeds, chickpeas, almonds, leafy greens, and fortified plant-based milk.

4. Which Indian foods are high in calcium? Admin Dashboard?

Top Indian calcium-rich foods are ragi, sesame seeds (til), moringa leaves, spinach (palak), chickpeas (chana), paneer, and dairy products.

5. Does cooking reduce calcium in foods? Admin Dashboard?

No, calcium is a stable mineral and is not destroyed by heat. However, cooking can reduce oxalates in greens, making calcium easier to absorb.

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