Can You Take Isoleucine with Tryptophan?
Isoleucine may affect tryptophan levels and activity
Tryptophan level reduction
Isoleucine may affect tryptophan levels and activity
Tryptophan level reduction
Detailed Analysis
Taking isoleucine and tryptophan supplements together may affect tryptophan levels and activity in the body. Isoleucine may slightly reduce the predictive value of the plasma tryptophan ratio. This could impact the effectiveness of tryptophan supplements. Isoleucine competes with tryptophan for transport across the blood-brain barrier, which may affect tryptophan levels and activity. The plasma ratio of tryptophan to other amino acids, including isoleucine, is an important factor in determining tryptophan's effectiveness. Replacement of tryptophans with isoleucine can suppress pore-forming activity of certain peptides.
What else do you take?
2/10Check your full stack — every pair, not just this one
Optimal Timing
⏱️ Tryptophan separated from Isoleucine by 5.5h (Isoleucine slightly reduced the predictive value of the plasma tryptophan ratio.)
Research Sources (9)
This information is for educational purposes only and is not a substitute for professional medical advice. Always consult your healthcare provider before starting, stopping, or changing any supplement regimen.