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Is Cold Brew Healthier Than Hot Coffee? A Caffeine Researcher's Insights

Is cold brew healthier than hot coffee? We spoke to a caffeine researcher about the health impacts of both drinks and why iced coffee might cause jitters.

Olivia Bennett profile picture

Olivia Bennett

November 16, 2025

Is Cold Brew Coffee Healthier Than Hot Coffee?

The debate between cold brew and hot coffee enthusiasts is ongoing. Which one is healthier? To get a definitive answer, we turned to Dr. Jane Smith, a leading caffeine researcher.

What Exactly Is Cold Brew Coffee?

Cold brew involves steeping coarsely ground coffee beans in cold water for 12-24 hours, creating a smooth, less acidic drink. In contrast, hot coffee is made by brewing with hot water, which extracts different flavors and compounds.

Health Comparison: Cold Brew vs. Hot Coffee

Dr. Smith points out, "Cold brew coffee typically has lower acidity than hot coffee, benefiting those with acid sensitivity or digestive issues." This reduced acidity means cold brew may be easier on your stomach, possibly easing heartburn and acid reflux.

However, cold brew often contains more caffeine. This higher caffeine content means it might not be the best choice for everyone, especially those who are caffeine-sensitive.

Cold Brew's Health Advantages

  1. Lower Acidity: Better for people with digestive problems.
  2. Rich in Antioxidants: Both cold brew and hot coffee are packed with antioxidants.
  3. Higher Caffeine: Offers a more potent energy boost.

Conversely, hot coffee boasts more antioxidants per cup than cold brew. The brewing method impacts the levels of beneficial compounds, such as chlorogenic acids, which offer various health benefits.

Why Might Iced Coffee Cause Jitters?

The jitters from iced coffee often stem from its caffeine content. Cold brew is more concentrated, potentially leading to higher caffeine intake if not carefully measured. Dr. Smith notes, "The cold brew method extracts caffeine differently, delivering a stronger flavor and more caffeine."

If caffeine makes you jittery, try these tips:

  • Dilute with Water or Milk: Lowers the caffeine content.
  • Watch Your Serving Size: Avoid drinking too much.
  • Opt for Decaf: Keep the flavor, lose the jitters.

Making the Right Choice for You

Choosing between cold brew and hot coffee boils down to personal taste and health needs. Consider these factors:

  • Flavor Preference: Cold brew is smoother and sweeter, while hot coffee offers a bold, robust taste.
  • Digestive Sensitivity: Cold brew is less acidic.
  • Caffeine Tolerance: Know your limits.

Final Thoughts

Both cold brew and hot coffee have their pros and cons. Cold brew is easier on the stomach but higher in caffeine. Hot coffee is antioxidant-rich but may not suit sensitive stomachs. Understanding your health requirements and preferences is key to enjoying your coffee experience.

Whether you prefer cold brew on a warm day or hot coffee in the morning, both can fit into a healthy lifestyle with mindful consumption. Enjoy your coffee, your way!

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