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Pharmacists warn about coffee and supplements

Experts reveal five supplements to avoid with coffee for better nutrient absorption.

August 4, 2025 at 06:47 PM
blur Pharmacists reveal the five things you shouldn't mix with your morning coffee

Experts are warning against mixing these five things with your morning coffee.

Pharmacists advise against mixing certain supplements with coffee

Experts caution against taking five specific vitamin and mineral supplements with coffee, as this could hinder nutrient absorption. With coffee being a daily staple for two-thirds of American adults, according to the National Coffee Association, and about 59 million Americans regularly using supplements, the potential interactions are significant. Pharmacists indicate that iron, calcium, magnesium, vitamin D, and B vitamins may not be effectively absorbed when consumed alongside coffee. Dr. Philip Ngo noted that caffeine can slow iron absorption, while tannins from coffee can bind to minerals, reducing their uptake. Experts recommend spacing out coffee from supplement intake by at least one hour to ensure better nutrient absorption.

Key Takeaways

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Caffeine can hinder iron absorption significantly.
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Sipping coffee right after taking calcium reduces its uptake.
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High caffeine intake may lead to lower vitamin D levels in the body.
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Tannins in coffee can bind to minerals like magnesium.
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Water-soluble vitamins may be flushed out by coffee's diuretic effects.
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Spacing coffee and supplement intake may enhance nutrient absorption.

"For instance, iron absorption can be slowed by caffeine."

This reveals the impact of caffeine on essential nutrient uptake, as explained by Dr. Philip Ngo.

"Avoid taking supplements with coffee or tea. Wait an hour if you can."

Dr. Wong emphasizes the importance of timing when it comes to nutrient absorption during coffee consumption.

"Research suggests that caffeine may reduce the expression of Vitamin D receptors."

Dr. Elise Kim points to studies that indicate a correlation between caffeine intake and vitamin D absorption issues.

"Over time, a heavy caffeine habit could potentially impact bone and mineral health."

Dr. Bo Wang warns about the long-term effects of caffeine on mineral absorption, highlighting an important health risk.

The warnings regarding coffee and supplements reveal an ongoing tension between popular dietary habits and nutritional science. As coffee consumption soars, understanding its effects on essential vitamins and minerals becomes crucial. The evidence pointing towards significant nutrient interactions compels health professionals to rethink conventional advice. While the joy of a morning coffee is hard to resist, the implications for long-term health suggest that timing may be just as important as substance. This tension highlights a broader trend in health discourse: how modern habits often clash with optimal nutrition.

Highlights

  • Taking supplements with coffee may reduce their effectiveness.
  • Caffeine can disrupt your body's ability to absorb vital nutrients.
  • Spacing coffee and supplements may improve your health outcomes.
  • Don’t let your morning cup interfere with your vitamins.

Potential health risks from mixing coffee and supplements

Certain supplements may not be effectively absorbed when mixed with coffee. This could lead to deficiencies over time, impacting overall health. Experts recommend spaced intake of caffeine and supplements for better absorption.

As health trends evolve, timing and combinations become key to maximizing nutrient benefits.

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