Cysteine: The Sulfur-Rich Amino Acid that Protects Your Health

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When we talk about nutrients that protect our body from disease and aging, we often think of vitamins like C and E. But there’s another nutrient that works quietly behind the scenes — cysteine, a sulfur-containing amino acid that plays a key role in detoxification, antioxidant defense, and overall vitality.

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What Is Cysteine?
Cysteine is a semi-essential amino acid, which means your body can produce it from other amino acids such as methionine and serine. However, during times of illness, stress, or aging, your body’s ability to make enough cysteine may decline, making dietary intake important.

What makes cysteine special is its sulfur content — a natural detoxifier and structural component that supports healthy skin, hair, and internal organs.

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