Why Dairy For Calcium?

Calcium Supplements and Dairy Products: Health or Hazard?

 

The Dairy Dilemma: What Are We Really Drinking?

 

 

In New Zealand, we’re practically raised on the idea that calcium supplements and dairy products are the cornerstone of good health. From a young age, we’re told that milk is the go-to for strong bones and a healthy body. But is this really the case? It’s time to dive deeper into whether calcium supplements and dairy products genuinely contribute to our health or if we’ve been led down a path of misinformation.

 

The Truth About Calcium Supplements: Are They Helping or Harming?

 

Many Kiwis rely on calcium supplements, believing they’re protecting themselves from osteoporosis and fractures. But here’s the kicker—studies are showing that these supplements might be doing more harm than good. A study from the British Medical Journal in 2011 raised some serious concerns, linking calcium supplements to a 20-30% increased risk of heart attacks. Imagine that: something meant to protect your bones could be putting your heart in danger.

Doctors have been prescribing calcium carbonate (yes, that’s essentially chalk) for years, but it’s not the miracle cure we once thought. Taking high doses of calcium without balancing it with magnesium and other minerals can lead to imbalances and even deposits of calcium in your arteries instead of your bones. That’s a dangerous game to play with your health.

What About Heart Health?

 

The research keeps piling up. An analysis of clinical trials involving around 12,000 patients, including participants from the Auckland Calcium Study, has shown a significant increase in heart attack risk among those taking calcium supplements. This has led experts, like Dr. Ian Reid from the University of Auckland, to question the use of calcium supplements and dairy products in osteoporosis treatment. He’s not saying all calcium is bad, but he’s definitely urging us to reconsider how we’re getting it—naturally through foods rather than pills might be the safer bet.

High Dairy Countries: High Health Risks?

 

Let’s look at the bigger picture. Countries with the highest intake of dairy products—think the USA, Canada, and yes, New Zealand—also have some of the highest rates of osteoporosis and heart disease. It’s ironic, isn’t it? We’re drinking milk like it’s going out of fashion, yet we’re seeing more hip fractures and heart issues. Meanwhile, countries in rural Asia and Africa, where dairy isn’t a dietary staple, don’t seem to have the same problems.

Calcium Supplements: The Fine Print

 

If you’re taking calcium supplements, you might be wondering if you’re making the right choice. The typical dosage ranges from 600 to 1,200 mg/day, but not all forms of calcium are created equal. For example, calcium carbonate is poorly absorbed if you have low stomach acid. Calcium citrate, on the other hand, is better absorbed but still might not be the ideal solution. Natural calcium from dairy products and other whole foods is always preferable if your diet allows for it.

Rethinking the Calcium-Bone Connection

 

We’ve been told for years that calcium is essential for bone health, but recent studies are shaking up that belief. Cardiologist John Cleland from the U.K.’s Hull York Medical School has expressed serious doubts about the effectiveness of calcium in preventing fractures and raised concerns about the long-term safety of calcium supplements. On top of that, the Journal of Bone and Mineral Research published findings linking high calcium intake to increased risks of kidney stones and gastrointestinal issues. It’s becoming clear that calcium supplements and dairy products might not be the holy grail for bone health after all.

The Bottom Line: Proceed with Caution

 

In light of these findings, it’s time to rethink how we approach calcium supplements and dairy products. While some people might benefit from supplements, they should be used cautiously and with a full understanding of the potential risks. If you’re looking for calcium, it’s better to get it from food sources like dairy products and leafy greens. The debate around calcium supplements and dairy products is far from settled, but what’s clear is that more research is needed to understand the full picture. In the meantime, be mindful of what you’re putting into your body.

Related Articles: Nutritional Myths Busted

References:

1. Effect of calcium supplements on risk of myocardial infarction and cardiovascular events: meta-analysis. The British Medical Journal.  Published 29 July 2010, BMJ 2010;341:c3691
2. Abelow B. Cross-cultural association between dietary animal protein and hip fracture: a hypothesis.Calcific Tissue Int 50:14-8, 1992.
3. Frassetto LA . Worldwide incidence of hip fracture in elderly women: relation to consumption of animal and vegetable foods. J Gerontol A Biol Sci Med Sci. 2000 Oct; 55(10): M585-92.
4. Maurer M. Neutralization of Western diet inhibits bone resorption independently of K intake and reduces cortisol secretion in humans. Am J Physiol Renal Physiol. 2003 Jan; 284(1): F32-40.
5. Remer T. Influence of diet on acid-base balance. Semin Dial. 2000 Jul-Aug; 13(4): 221-6.
6. Frassetto L. Diet, evolution and aging–the pathophysiologic effects of the post-agricultural inversion of the potassium-to-sodium and base-to-chloride ratios in the human diet. Eur J Nutr. 2001 Oct; 40(5): 200-13.
7. Remer T. Potential renal acid load of foods and its influence on urine pH. J Am Diet Assoc. 1995 Jul; 95(7): 791-7.