GABA may increase the heart rate and tension booster effect by inhibiting the central norepinephrine neurotransmitter system to maintain normal blood pressure.
The cause of your palpitations seems to be the use of GABA (gamma-Aminobutyric acid). One of the side effects of GABA is anxiety and anxiety is a big cause of palpitations.
Side Effects of GABA Supplements
You may experience a tingling or jittery feeling after taking GABA tablets.
Some commonly reported side effects include: upset stomach. headache. sleepiness.
Too much GABA can cause an increase in anxiety, a shortness of breath, numbness around the mouth and tingling in the extremities. When you start taking GABA you might experience drowsiness or lightheadedness (so don't take it before driving), and in some individuals, skin hives or a rash may appear.
Clinical studies suggest that taking up to 120 milligrams (mg) of GABA per day as supplements for 12 weeks is unlikely to cause adverse effects. People should take care when using them with other drugs. Using them with medications for high blood pressure or epilepsy may increase the impact of those drugs.
Central GABA can decrease blood pressure and slow heart rate by activating GABA receptor. GABA may increase the heart rate and tension booster effect by inhibiting the central norepinephrine neurotransmitter system to maintain normal blood pressure.
For this reason, it's best to play it safe and not use GABA if you are pregnant or breastfeeding. Interactions. Not enough is known about how GABA may interact with drugs, foods, or other herbs and supplements, but use with caution if taking with blood pressure medications.
People who are using GABA to enhance the quality of their sleep are best to take a single, larger dose half an hour before bed. GABA is most effective on an empty stomach, so it is a good idea to wait an hour between eating food or drinking protein, and GABA supplementation.
GABA helps you relax and quiets the worrisome thoughts that can keep you tossing and turning, while melatonin, the sleep hormone, facilitates sleep. The usual doses are 100 mg of GABA and 1–3 mg of melatonin, taken 30–60 minutes before bedtime. At these levels, melatonin and GABA are safe and generally well tolerated.
GABA is known for producing a calming effect. It's thought to play a major role in controlling anxiety, stress and fear. Decreased GABA levels are associated with several neurological and mental health conditions, as well as other medical conditions.
The NNHPD monograph for Cognitive Function Products recommends a daily intake of 50–3000 mg GABA that does not exceed 750 mg per single dose; it also says to consult a healthcare practitioner for use of products providing 300 mg/day or more when GABA is used for longer than 4 weeks [48].
Side Effects
Some people have reported tingling on the surface of the skin for a few minutes after the intake of GABA. This may be likened to the well- known “niacin flush.” GABA may also induce a slight shortness of breath, which is also transient and is experienced by a small percentage of people.
Dosage and Timing of GABA Supplements
A small-scale study found that taking a 300 milligram (mg) dose of GABA before bed for several weeks was well-tolerated and reduced the time required to fall asleep. Evidence points to a need to take GABA supplements for at least one week to influence stress levels or sleep.
GABA Dosage Guide
The typical dosage for general stress relief is around 750–800 milligrams daily, divided up into three to four doses over the course of the day. For anxiety, some recommend taking between 250 milligrams to 650 milligrams three times daily, for a total of 750–1,950 milligrams.
Anxiety Management
Just one hour after taking GABA, they saw a significant increase in alpha waves, which caused feelings of calm and relaxation.
Gabapentin and magnesium can interact with each other. Magnesium can lower the effects of gabapentin. If you've been prescribed gabapentin and take a medication or supplement containing magnesium, it's recommended to take gabapentin at least 2 hours after taking it.
Medications for high blood pressure (Antihypertensive drugs) interacts with GAMMA-AMINOBUTYRIC ACID (GABA) GABA might lower blood pressure. Taking GABA along with medications that lower blood pressure might cause blood pressure to go too low.
Withdrawal symptoms can begin within 12 hours to 7 days after quitting the medication and last up to 10 days. Symptoms of gabapentin withdrawal may include nausea, dizziness, headaches, insomnia, and anxiety. The safest way to stop using gabapentin is to taper off the medication under the supervision of a doctor.
GABA and Mental Health
This can lead to too little GABA, which may play a role in disorders related to brain function and mood, including schizophrenia, autism, depression, and anxiety. GABA activity (too little or too much) is also associated with neurodegenerative diseases.
It usually takes about 1 week for gabapentin (Neurontin) to kick in. But it might take up to a month to experience the medication's full effects. The most common gabapentin side effects include sleepiness and dizziness. These side effects may improve once your body gets used to the medication.
GABA supplements and herbal supplements that enhance the effects of GABA can be incredibly helpful in these situations and often provide relief from anxiety, restlessness, and racing thoughts.
As a general rule you will get the best results if you take GABA on an empty stomach or away from food. If you can't take it away from food, don't worry, it will still work, it may just not be as fast acting. For anxiety or chronic stress take 1-3 caps in the morning – and then take 1-3 caps in the afternoon.