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Proper dosages depend on many different factors including age, weight, sex, and the reason for taking the supplement.
The below dosage recommendations are general guidelines only, and your personal dosage may be different.
As with any supplement, starting off with a lower dose and slowly working your way up to find the “sweet spot” for your individual system is important.
Before taking GABA supplements, you should discuss it with your doctor to help determine the best dosage for your needs, and to be sure it will not interact with any supplements or medications you are currently taking.
GABA supplementation cannot and should not be used to replace medications prescribed by your doctor. GABA is available as a dietary supplement only, and the FDA has not approved GABA as a drug to prevent or treat any conditions.
Typically, a standard dose ranges somewhere between 250 mg – 750 mg taken two or three times throughout the day. Although some users report taking higher doses, exceeding 2000 mg per day is not recommended.
Generalized stress relief – 250 mg taken two or three times during the day is recommended.
Anxiety – start with 250 mg three times per day. This can be increased up to 650mg if necessary.
ADHD – begin with 250 mg three times per day. Allow at least two to three days at this dose. Increase in 50mg increments up to 400 mg if needed.
Fibromyalgia – 250 mg three times daily or 750 mg once daily.
Insomnia – 500 mg-750 mg taken about half and hour before bedtime is recommended. This can be increased up to 1000 mg if needed.
Blood Pressure – One study designed to determine the effects of GABA on blood pressure suggests that taking 10mg per day can, over time, lower blood pressure. Additional research is needed to determine if GABA, in fact, has a beneficial effect on blood pressure.
The Natural Medicines database recommends that you take GABA on an empty stomach. Because of its potential to cause drowsiness, you should not drive until you know how this supplement affects you.
GABA is not only used in our brains, but also influences muscle tone. If taking more than 1000 mg of GABA per day, plan to exercise immediately after taking the supplement to aid the body in processing the supplement. *