Mag-Tab SR magnesium supplement 84 mg (7 Meq) caplets :

Allows more steady magnesium levels & less magnesium loss because it minimizes the dumping or laxative effect of many magnesium preparations. Has unsurpassed absorption. 33% more elemental magnesium than magnesium chloride. 300% more elemental magnesium than magnesium gluconate.

Magnesium supplementation is indicated for those with:

Anxiety/nervousness/panic.
Insomnia.
Depression.
Emotional overreactivity.
Irritability or anger.
Hyperactivity/restlessness/squirming.
Short attention span and learning disabilities.
Hypersensitivity to sound and pain.
High stress.
Fatigue.
Muscle pain, spasms and tension.
Tics and tremors.
Asthma.
High blood pressure.
Migraine or other headaches.
High sugar, alcohol or caffeine intake.
Constipation.
Malabsorption syndromes, inflammatory bowel disease, Crohn's disease.
Rapid pulse.
Chronic candida (the aldehydes cause magnesium loss).
Heart irregularities.
Heart failure.
Ischemic heart disease.
Diuretic therapy.
Mitral valve prolapse.
Those with low potassium (potassium supplemental therapy may be ineffective without concurrent magnesium).
Diabetes.
Hyperthyroidism.
Seizure disorders.
Mania.
Those undergoing radiation or chemotherapy treatment.

Symptoms of magnesium deficiency besides those inferred from the above list:

Excessive perspiration.
Numbness and tingling.
Poor muscle coordination.
Increased startle response.
Decreased concentration and memory.
Confusion and disorientation.
Appetite loss.
Organic brain syndrome.
Kidney stones.

Magnesium:

Is essential to the production, storage & use of energy from fat and sugar.
Helps regulate nerve cell function by controlling the rate of neuron firing.
Low magnesium levels increase nerve cell firing making nerve cells overreactive.
Is vascular dilating thus helps to improve blood flow and to decrease blood pressure.
Is bronchodilating thus helps to improve air flow and to control or eliminate the symptoms of asthma.
Is essential to bone formation and metabolism.
Is involved in regulating your heart rate and rhythm.
Is a chelating agent.
Maintains blood lipid homeostasis.
Maintains the heart muscle & electrical activity.
Prevents kidney stone formation.
Synergizes the secretion of parathyroid hormone for calcium metabolism and antagonizes thyroid hormone.
Has radiation-protective actions.
Is involved in blood clotting mechanisms.
Aids in detoxification.
Is essential for growth, health and longevity.

DIRECTIONS:

Take 1-6 daily in divided doses with or between meals as warranted by conditions, symptoms and other supplementation.

WARNINGS:

Keep out of reach of children. These statements have not been evaluated by the food and drug administration. This product is not intended to diagnose, treat, cure, or prevent any disease.