Tryptophan RDI
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The RDI for tryptophan is as follows:
- Children (2-5 years): 3mg per kg of body weight
- Adults: 12.5mg per kg of body weight
Tolerable upper limit
There is no tolerable upper limit for tryptophan.
Therapeutic dosage
There is a supplementary dosage range that is a safe therapeutic dose of tryptophan:
- Adults: 300-4,000mg
There is a recommended daily intake (RDI), but there is no tolerable upper limit for tryptophan
The higher levels of tryptophan should only be taken under strict medical supervision because supplementation at very high levels may cause some side effects in some people.
References
- Osieki H. The Nutrient Bible. Everything You Need to Know About Vitamins, Minerals, Amino Acids, Enzymes - Even Toxic Metals. BioConcepts Publishing QLD. 2002