Relax Now By Herbalife Nutrition Overview & Drug Interactions

Calcium is a vital nutrient found in various foods such as dairy products, certain vegetables, and many fortified items. Over 99% of the body's calcium is stored in the bones and teeth, predominantly as hydroxyapatite. The remaining calcium circulates in the blood, extracellular fluid, muscles, and other tissues, where it is essential for processes like nerve signaling, muscle contraction, vascular activities, glandular secretion, and maintaining cell membrane and capillary permeability. It also plays critical roles in enzyme reactions, respiration, kidney function, and blood clotting, and is involved in neurotransmitter and hormone release, amino acid uptake, vitamin B12 absorption, and gastrin secretion. Calcium balance changes with age: it is positive during periods of growth, stable in adulthood, and tends to become negative in older age. Calcium loss occurs through feces, urine, sweat, and shedding skin cells. In women, reduced estrogen levels decrease calcium absorption and retention, increase bone turnover, and lead to lower bone mass. Calcium supplements come in various forms, including citrate and carbonate, which differ mainly in their calcium content and absorption rates. Calcium citrate is easily absorbed and can be taken without food, making it suitable for older adults or those with low stomach acid. In contrast, calcium carbonate, which contains a higher percentage of calcium, is best absorbed when taken with meals.

Ashwagandha, also known as Withania somnifera, is a herb commonly used in Ayurvedic medicine. It is native to India, and is used to treat a variety of conditions, including stress, anxiety, and insomnia. Some studies have also suggested that ashwagandha may have potential health benefits for conditions such as heart disease, diabetes, and cancer. However, more research is needed. Ashwagandha is often referred to as an adaptogenic herb, which is theorized to help the body to adapt to stress.

Passionflower (Passiflora incarnata) is a climbing vine with fragrant white and purple flowers that is native to the Americas. It is purported to have a number of potential health benefits, including reducing anxiety and improving sleep. It is thought to work by increasing the levels of GABA (gamma-aminobutyric acid), a neurotransmitter in the brain that helps regulate mood and anxiety. Passionflower may also have mild sedative and muscle-relaxing effects and may be helpful in the treatment of muscle spasms and other muscle disorders. Dietary supplements containing passionflower are generally standardized to contain no less than 1.5% of the flavanoid vitexin.