A-E - Glossary


A large group of red/yellow/orange fat-soluble plant pigments that exert a variety of beneficial health effects.  Food sources of carotenoids include carrots, spinach, pumpkin, tomatoes, sweet potatoes, watermelon and kale.  For more information, see the Linus Pauling Institute Micronutrient Information...

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A derivative of l-carnitine, an amino acid-derived compound that’s essential for fat metabolism. Acetyl-l-carnitine is marketed as an anti-aging nutrient, as it has neuroprotective effects and—in combination with alpha-lipoic acid—has been shown to reduce oxidative stress and mitochondrial decay associated with...

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