That said, the research evidence to support this use is limited.
Vitamin D, magnesium, and other nutrients remain under study for these benefits.
That means some supplement products may not contain what the label says.
Illustration by Laura Porter for Verywell Health
It also may interact with blood thinner medications.
Dietary sources include meat (especially red meat), tuna, and dark leafy greens.
High doses of iron may decrease zinc absorption.
Iron supplements can interact with other medications and supplements, as well.
If a person is not deficient in iron, too much iron can cause significant problems.
Among other things, it plays a role in regulating blood pressure and nerve and muscle function.
Talk to your healthcare provider to determine if you or your child needs magnesium supplements.
Recommended doses vary with the bang out of vitamin, age, sex, and other factors.
Melatonin
Melatoninis a hormone secreted primarily by thepineal gland(located deep in the brain).
It regulates your sleep-wake cycles.
People with ADHD commonly experiencesleep problems.
The medications used to treat ADHD can also affect sleep.
Short-term use is safe, and no significant side effects are reported.
Side effects do occur, including headache, nausea, and drowsiness.
Dosage depends on body weight.
So far, there’s limited evidence of its benefits.
Side effects can include headache, dry mouth, anxiety, and light sensitivity.
Talk with your healthcare provider about St. John’s wort dosage and any potential risks.
Gingko Biloba
Ginkgo biloba is an extract of a tree that grows in China.
It is rich in antioxidants and is thought by some to improve symptoms in people with ADHD.
When taken as directed, Ginkgo biloba is likely safe.
Ginseng
Ginseng is a plant native to eastern Asia and North America.
It has been studied in combination with omega-3 fatty acids in children with ADHD.
However, it’s not clear how much of a role ginseng played in the reported improvements.
The authors also noted that larger studies are needed to confirm the results.
Always consult your healthcare provider before taking a new supplement.
For most people, ginseng is thought to be safe for short-term use apart from pregnancy.
It is usually well-tolerated, but side effects can occur.
These are typically mild and include headache and insomnia.
A typical dose of ginseng can range from 100 mg daily to 3,000 mg daily.
Do not take ginseng for longer than 12 weeks.
Higher doses are more likely to cause side effects.
Some studies in animals suggest that caffeine may offer benefits.
Before starting any treatment for ADHD, talk to your healthcare professional.
It is important to determine if there are any deficiencies in you or your child before treating with supplements.
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