Calcium For Menopause: The Ultimate Guide

A selection of plant and dairy calcium sources on tableThis helpsheet aims to equip you with everything  you need to know about your calcium requirements in menopause.  We cover the different types of calcium available, the main dietary sources and much more.

You probably know that one of the unfortunate health consequences of early menopause and premature ovarian failure (POF) is an increased risk of osteoporosis — the weakening and loss of bone (source).

Likewise, you also probably know that making sure you get enough calcium is one of the most widely recommended ways of helping to keep your bones strong.

But there are so many different forms of calcium out there — and so many different opinions, claims, and so forth… it can be very confusing.

Let’s start with the basics: getting enough calcium is a definite must where bone-building is concerned.  But many of us don’t get nearly enough calcium. The National Institutes of Health recommends that if you are in menopause, you should get at least 1,000 mg of calcium a day if you are on hormone replacement therapy (HRT), and 1500 mg if you aren’t.

But this recommended dosage doesn’t just refer to calcium; it refers to elemental calcium.  In plain English, this is the amount of calcium that is available to actually work in your body. This is one reason why, if you opt for calcium supplements, it’s wise to read the labels carefully!

A selection of whole food calcium sources

Just because the label says the calcium supplement has, say, 1250 mg, doesn’t mean that this is the amount of elemental calcium in it. Often the label will list the elemental calcium; other times it’s not mentioned. So to be sure you’re getting the calcium you need, it makes sense to know what percentage of elemental calcium is in the different forms of calcium available.

There’s more about this in our explanation of calcium supplements below.  But before you get to that step, you first have to determine how much calcium you’re currently getting.

Take a look at your daily diet to see if you can and should up your calcium intake through the foods you eat. In general, your best bets for calcium-rich foods are non-fat or low-fat dairy products, salmon, sardines with the bones, green leafy vegetables and tofu.

Good Food Sources Of Calcium

Dairy is a common source of calcium in western diets but there are plant sources too.

Dairy Products

TypeServing SizeMg of Calcium
Non-fat yogurt1 cup450
Low-fat yogurt1 cup415
Ricotta (part skim)1/2 cup335
Non-fat or low-fat milk1 cup300
Whole milk1 cup290
Swiss cheese1 oz.270
Cheddar cheese1 oz.205
Mozzarella (part skim)1 oz.200
Muenster cheese1 oz.200
American cheese1 oz.180
Feta cheese1 oz.140
Cottage cheese1 cup135

Other Foods

TypeServing SizeMg of Calcium
Sardines (in oil, with bones)3 oz.370
Blackstrap molasses2 tbsp300
Calcium-fortified juice1 cup300
Figs, dried10 medium270
Black beans, dried1 cup270
Collard greens1 cup270
Salmon (canned, with bones)3 oz.200
Broccoli1 cup170
Farina, cooked1 cup145
Spinach (cooked, drained)1/2 cup130
Tofu1/2 cup130
Apricots, dried1 cup100
Tahini1 tbsp85
Almonds1 oz.70

But What If You’re Not Getting Enough Calcium From Your Diet Alone?

Perhaps you’re a little inconsistent on it… some days, you do get enough; other days, you’re not reaching your target. Well, when you’re dealing with the possibility of osteoporosis, you can’t afford to be casual about calcium consumption.

So if you think you’re not getting enough calcium in your diet each day, you have two choices in this case: either start religiously eating calcium-rich foods… or take calcium supplements.

Because those of us with early menopause and premature ovarian failure (POF) are at such a high risk for bone loss, calcium supplementation usually makes a lot of sense. It’s easy — and you can be assured that you’re getting a certain level of calcium.

It does get a little confusing, though, when it comes time to choosing the optimal calcium supplement. There are so many out there all purporting to do the same thing, but there are differences between the different forms.

Calcium Citrate. This is the form of calcium most often recommended by doctors, chiefly because it is the most easily absorbed. This claim to fame may not apply to you since it is older  women who tend to have more problems with digestion as their stomach acid production goes down, not women in their 20s and 30s.

But if you have any problems with digestion — or just want a calcium that isn’t hard on your stomach, calcium citrate probably makes sense. There is one drawback to this type of calcium: it contains only about 21% elemental calcium, so to get enough calcium, you usually have to take more tablets… which winds up costing more.

In addition, in spite of its stomach-friendly reputation, it may cause stomach upset or diarrhea. If you choose this type of calcium, you should take it between meals or just before bedtime.

Calcium Carbonate. This is the other most widely-used form of calcium. It is not as easily absorbed as calcium citrate, but is the most concentrated form of calcium with 40 percent  elemental calcium (which usually makes it the best value option!)

In other words, if you take a 1250 mg of calcium carbonate tablet, you’re getting 500 mg of elemental calcium. This is also the form of calcium that has been studied the most — and there’s another side benefit: It also can act as an antacid.

On the negative side, though, it can cause constipation and bloating. If you take this, it’s a good idea to drink more water than usual — and take it in two or more doses, rather than all at one time. You may also want to chew it to make it more easily absorbed into your system. Unlike calcium citrate, you should take this with  (not between) meals.

Tribasic Calcium Phosphate. This contains roughly 39% elemental calcium — and is another easily digested form of calcium. It’s also the type of calcium used to fortify many foods such as orange juice and soy milk. The only problem? It’s among the most expensive forms of calcium.

Calcium Lactate / Calcium Gluconate. Like calcium citrate, Calcium Lactate and Calcium Gluconate are less concentrated forms of calcium (containing about 15 percent elemental calcium), and are similar to calcium citrate in terms of absorbability and lack of side effects.

But they usually cost more than calcium citrate — as much as three to ten times more — so you’re typically better off avoiding these and opting for another form of calcium.

Calcium-based Antacids. Finally, there are calcium-based antacids — products like Tums and Rolaids Calcium Rich, which are probably one of the cheapest ways of getting calcium. These contain calcium carbonate, so usually offer you about 40% elemental calcium.

For example, if you chew a regular Tums tablet (which contains 500 mg of calcium), you’ll get about 200 mg of elemental calcium. Many women like them because you can chew them instead of swallowing. If you opt for this form of calcium, you should take them between meals. Also be sure to read the label carefully. You don’t want to get an antacid that includes aluminum because that can leach calcium from your system.

Note: Calcium supplements made of bone meal and dolomite are high in elemental calcium, but are not a good choice as they may contain lead and other toxic metals.

Calcium Supplements: Rules of Thumb

    It is a good idea to take your calcium twice a day, inside of in one dose, because your body can absorb only 600 milligrams of elemental calcium at a time.

•    Do not take calcium with iron, because it interferes with its absorption.

    Also avoid taking calcium supplements with high-fiber meals or bulk laxatives, as they can cut down on the amount of calcium you absorb.

A range of dairy based calcium sources

    Be sure that your calcium is actually doing what you’re paying for by putting your tablets through this simple absorbability test… Drop one tablet in a small glass or bowl with white vinegar and stir it every few minutes.

After fifteen minutes to half an hour has passed, the pill should have disintegrated. If it hasn’t dissolved in the vinegar, it won’t dissolve in your stomach either — making it essentially useless. In this case, you should get another brand or try another form.

    Where calcium is concerned, you can  get too much of a good thing. Over 2,000 milligrams a day of elemental calcium may pose problems for your kidneys. So if you have had kidney stones or have a family history of them, talk to your doctor before taking calcium supplements.

Calcium Helpers

To make calcium work well, you need other vitamins and minerals to help it along. Some of these are available in combination with calcium.  Others are in multi-vitamins or trace mineral compounds, or you can take them individually.  Finally, of course, can get them through a well-balanced diet.

Where you get them isn’t really the issue; the key is being sure you are getting them to get the most out of your calcium intake. The calcium helpers, then are:

Vitamin D. Vitamin D is essential for helping your body absorb calcium. While you can get Vitamin D from the sun, it’s not always considered the best way since you can’t be sure you’re getting enough (and it’s tough to get if you live in a very cloudy area or use sunscreen.)

In fact, according to one study, Vitamin D deficiency is much more common than previously thought. Most interestingly, thirty-seven percent of the women in the study who had low Vitamin D levels mistakenly thought  that they were consuming at least the minimum requirement of Vitamin D.

Since Vitamin D is so vital in the fight against osteoporosis, it’s probably best to take supplementation, then, to be sure you’re getting what you need. Nowadays, most doctors agree that you need at least 1000 to 2000 IU of vitamin D3.

You can also get Vitamin D in your diet from fatty fish (salmon, sardines, herring); fortified milk and other dairy products; egg yolks; and fortified cereals and breads.

Magnesium. Magnesium — which is very commonly found in calcium supplements — is also crucial for optimum skeletal health. In addition, it appears to hep fight fatigue and boost energy levels, as well as helping protect against heart disease.

Generally, you should take a dosage equal to half of the calcium dosage you’re taking. The usual dosage is about 200 to 750 IUs depending on how much calcium you take.

Some good natural sources of magnesium include: whole grains; dark-green leafy vegetables; milk and dairy products; nuts; meat and fish; and dried cooked beans, especially soy beans.

Boron. Boron is another mineral that helps prevent bone loss and it is often included in calcium supplements.

It’s generally recommended you get about 3 to 6 mg of boron daily. Good natural sources of boron include fruits (including apples and pears); green and dark-yellow vegetables (including broccoli and carrots); and nuts (including almonds and hazelnuts).

Vitamin K. Vitamin K is another key player where bone health is concerned. Most women, however, get enough Vitamin K through their diet — since it’s found in many vegetables.

Copper, Zinc, Manganese and Silicon. You also need trace amounts of the following minerals: copper, zinc, manganese and silicon (all of which are usually included in multi-vitamins or multi-mineral supplements).

Summary
Scientific studies have shown that women diagnosed with early menopause or premature ovarian failure have an increased risk of osteoporosis.  It’s therefore vital we do everything we can (in conjunction with our doctor) to minimize and manage these long-term risks. One important step you can take on your own is to ensure an optimal calcium intake alongside a diet that provides essential bone-friendly nutrients.

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