Study Type



Timing of Exposure

Harding et al., 2003*


Boys and girls (n=20)

Aged 7-12 years

Diagnosed with ADHD

No other medication or treatment, street drugs, other nutritional or botanical supplements, comorbid disorders

Multivitamin, multiple mineral, phytonutrients, essential fatty acid supplements

4 weeks

Stevens et al., 2003*

Randomized Controlled Trial

Boys and girls (n=47)

Aged 6-13

Central Indiana = 100-mile radius of West Lafayette

Those with diagnosed ADHD and those without ADHD

No chronic health problems

Presence of 1+ severe symptoms or several mild symptoms

PUFA supplement

4 months

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