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Nutrition

L-Theanine and Caffeine Stack

An L-theanine and caffeine stack combines theanine with caffeine to reduce jitters while keeping alertness—often a 2:1 theanine-to-caffeine ratio in small studies.

An L-theanine and caffeine stack pairs roughly one hundred to two hundred milligrams L-theanine with moderate caffeine—often a two-to-one theanine-to-caffeine ratio—to smooth jitters while preserving alertness in small trials. Green tea offers both naturally.

Avoid stacking late day.

Common questions

  • What ratio of L-theanine to caffeine works?

    Studies often use about two parts theanine to one part caffeine—e.g., two hundred milligrams theanine with one hundred milligrams caffeine. Adjust for sensitivity.

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