The overall rating for phenylalanine is 1.7 out of 3 meaning there is some evidence that this supplement does some (not all) of what it claims. Using this supplement may lead to some improvements.
- Simple Report
- Detailed Report
- Overall Effectiveness Rating
- Research Rating
- Products Containing Phenylalanine
- Claim Ratings
Overall Effectiveness Rating
The overall effectiveness rating for phenylalanine is 1.7 out of 3. This rating means the evidence is mixed on the supplement's ability to deliver positive results. While some of the research supports its use, other evidence does not. Using this supplement may lead to positive results. Note, this effectiveness rating is for phenylalanine as a whole; there are also individual ratings for the claims below.
Read more: What is the effectiveness rating?
Research Rating for Phenylalanine
There are 2 studies in the database on phenylalanine; the research rating is 20. A score above 80 means the effectiveness rating for this supplement is reliable. A score under 80 means there is insufficient evidence to ensure a reliable effectiveness rating. Note, this research rating is for phenylalanine as a whole; there are also individual ratings for the claims below.
Read more: What is the research rating?
Products Containing Phenylalanine
|Products Names||Amount of Phenylalanine|
|Amino Synergy||Amount not listed.|
|R3P Pre Workout||190mg|
|Full list of all 343 products containing Phenylalanine.|
The overall ratings above are an average of the individual claim ratings below. Individual claims may have higher or lower ratings compared to the supplement's overall rating. For example, some supplements may have excellent backing for one claim, but be completely useless for another. Click on a claim below for more information.
|Body Composition (weight, muscle, body fat) Claims||Effectiveness Rating||Research Rating|
|increase fat burning|
|Energy Balance (calories in & calories out) Claims||Effectiveness Rating||Research Rating|
|decrease calorie intake|
|Mental Health Claims||Effectiveness Rating||Research Rating|
The Supplement Database includes 2 studies on phenylalanine dosing. These studies indicate an effective dose is 3 grams per day. For a more detailed dosing analysis visit: Supplement Dosing for Phenylalanine.
|Title of Study|
|Phenylalanine and aspartame fail to alter feeding behavior, mood and arousal in men|
|The effects of phenylalanine on exercise-induced fat oxidation: a preliminary, double-blind, placebo-controlled, crossover trial|