Natures Plus Pow Plex

Uses

Hesperidin is a bioflavonoid found in a variety of nutritional supplements that is touted to have various beneficial effects on blood vessel disorders and various other conditions.

Lecithin is fatty substances commonly found in nutritional supplements.

Magnesium is a medication used for many purposes including constipation, indigestion, magnesium deficiency, and pre-eclampsia.

Healthy levels of magnesium can be achieved through a well balanced diet, but if food sources are insufficient, magnesium supplements can be used to prevent and treat magnesium deficiencies.

In medicine, various magnesium salts may be used in laxative and antacid products. For example, magnesium citrate is available over-the-counter and may be used to manage occasional constipation. Magnesium sulfate may be used on its own or with total parenteral nutrition to treat hypomagnesemia. Magnesium sulfate is also indicated to prevent seizures in pregnant women with pre-eclampsia, and to manage seizures associated with eclampsia.

Phosphorus is a medication indicated in the treatment of hypophosphatemia.

Rutin is a flavonoid found in over-the-counter vitamin supplements.

Selenium is an ingredient found in a variety of supplements and vitamins.

For the supplementation of total parenteral nutrition to prevent hyposelenemia .

Effective for:

• Vitamin A deficiency. Taking vitamin A by mouth is effective for preventing and treating symptoms of vitamin A deficiency. Vitamin A deficiency can occur in people with protein deficiency, diabetes, over-active thyroid, fever, liver disease, cystic fibrosis, or an inherited disorder called abetalipoproteinemia.

Possibly Effective for:

• Breast cancer. Premenopausal women with a family history of breast cancer who consume high levels of vitamin A in their diet seem to have reduced risk of developing breast cancer. It is not known if taking vitamin A supplements has the same benefit.
• Cataracts. Research suggests that high intake of vitamin A in the diet is linked to a lower risk of developing cataracts.
• Diarrhea related to HIV. Taking vitamin A along with conventional medicines seems to decrease the risk of death from diarrhea in HIV-positive children with vitamin A deficiency.
• Malaria. Taking vitamin A by mouth seems to decrease malaria symptoms in children less than 3 years-old living in areas where malaria is common.
• Measles. Taking vitamin A by mouth seems to reduce the risk of measles complications or death in children with measles and vitamin A deficiency.
• Precancerous lesions in the mouth (oral leukoplakia). Research suggests that taking vitamin A can help treat precancerous lesions in the mouth.
• Recovery from laser eye surgery (photoreactive keratectomy). Taking vitamin A by mouth along with vitamin E seems to improve healing after laser eye surgery.
• Complications after pregnancy. Taking vitamin A seems to reduce the risk of diarrhea and fever after pregnancy in malnourished women.
• Complications during pregnancy. Taking vitamin A by mouth seems to reduce the risk of death and night blindness during pregnancy in malnourished women.
• Eye disease affecting the retina (retinitis pigmentosa). Research suggests that taking vitamin A can slow the progression of an eye disease that causes damage to the retina.

Natures Plus Pow Plex is also used to associated treatment for these conditions: Capillary fragility, Venous Insufficiency, Vessels; VaricoseCalcium Deficiency, Magnesium Deficiency, Zinc DeficiencyBone Loss, Nutritional supplementationAnemia, General Surgery, Pregnant State, Vitamin supplementationNutritional supplementationDeficiency, Vitamin A, Deficiency, Vitamin D, Degenerative Retinal Disorders, Disorder of the Epithelium, Disorder of the Mesoderm, Inner ear disorder, Vitamin Deficiency, Vitamin E Deficiency, Nutritional supplementation

How Natures Plus Pow Plex works

Magnesium is a cofactor for at least 300 enzymes and is important for several functions in the body with some key processes identified below. Enzymes that rely on magnesium to operate help produce energy through oxidative phosphorylation, glycolysis and ATP metabolism. They are also involved in nerve function, muscle contraction, blood glucose control, hormone receptor binding, protein synthesis, cardiac excitability, blood pressure control, gating of calcium channels and transmembrane ion flux.

The mitochondrial intracellular space is rich in magnesium, since it is required to produce the active form of ATP (adenosine triphosphate) from ADP (adenosine diphosphate) and inorganic phosphate, and behaves as a counter ion for the energy rich molecule. Additionally, magnesium is essential for ATP metabolism.

Selenium is first metabolized to selenophosphate and selenocysteine. Selenium incorporation is genetically encoded through the RNA sequence UGA . This sequence is recognized by RNA ste loop structures called selenocysteine inserting sequences (SECIS). These structures require the binding of SECIS binding proteins (SBP-2) to recognize selenocystiene. The specialized tRNA is first bound to a serine residue which is then enzymatically processed to a selylcysteyl-tRNA by selenocystiene sythase using selenophosphate as a selenium donor. Other unidentified proteins are required as part of the binding of this tRNA to the ribosome. Selenoproteins appear to be necessary for life as mice with the specialized tRNA gene knocked out exhibited early embryonic lethality .

The most important selenoproteins seem to be the glutathione peroxidases and thioredoxin reductases which are part of the body's defenses againts reactive oxygen species (ROS) . The importance of selenium in these anti-oxidant proteins has been implicated in the reduction of atherosclerosis by preventing the oxidation of low density lipoprotein . Selenium supplementation is also being investigated in the prevention of cancer and has been suggested to be beneficial to immune function .

Vision:Vitamin A (all-trans retinol) is converted in the retina to the 11-cis-isomer of retinaldehyde or 11-cis-retinal. 11-cis-retinal functions in the retina in the transduction of light into the neural signals necessary for vision. 11-cis-retinal, while attached to opsin in rhodopsin is isomerized to all-trans-retinal by light. This is the event that triggers the nerve impulse to the brain which allows for the perception of light. All-trans-retinal is then released from opsin and reduced to all-trans-retinol. All-trans-retinol is isomerized to 11-cis-retinol in the dark, and then oxidized to 11-cis-retinal. 11-cis-retinal recombines with opsin to re-form rhodopsin. Night blindness or defective vision at low illumination results from a failure to re-synthesize 11-cis retinal rapidly.
Epithelial differentiation: The role of Vitamin A in epithelial differentiation, as well as in other physiological processes, involves the binding of Vitamin A to two families of nuclear retinoid receptors (retinoic acid receptors, RARs; and retinoid-X receptors, RXRs). These receptors function as ligand-activated transcription factors that modulate gene transcription. When there is not enough Vitamin A to bind these receptors, natural cell differentiation and growth are interrupted.

Dosage

Natures Plus Pow Plex dosage

Vitamin A deficiency For severe deficiency with corneal changes: 500,000 unit/day for 3 days, followed by 50,000 unit/day for 2 wk and then 10,000-20,000 unit/day for 2 mth as follow-up therapy.

For cases without corneal changes: 10,000-25,000 unit/day until clinical improvement occurs (usually 1 -2 wk).

Side Effects

Hypervitaminosis A characterised by fatigue, irritability, anorexia, weight loss, vomiting and other Gl disturbances, low-grade fever, hepatosplenomegaly, skin changes, alopoecia, dry hair, cracking and bleeding lips, SC swelling, nocturia, pains in bones and joints.

Toxicity

The recommended dietary allowance of magnesium ranges from 30 mg for infants to 420 mg for males between the age of 31 and 50. According to the institute of Medicine (IOM), the majority of adults can tolerate 350 mg of magnesium per day without experiencing adverse effects. Symptoms of magnesium toxicity include diarrhea and other gastrointestinal effects, thirst, muscle weakness, drowsiness, severe back and pelvic pain, hypotension, dizziness, confusion, difficulty breathing, lethargy, and deterioration of kidney function. Other more severe symptoms associated with magnesium overdose include loss of consciousness, respiratory arrest, cardiac arrhythmias and cardiac arrest.

Regular use of laxatives containing magnesium may lead to severe and even fatal hypermagnesemia.

Discontinuation of magnesium products including supplements, laxatives, and antacids is usually sufficient to manage mild cases of magnesium overdose; however, patients should also be screened for renal impairment.

In severe cases of magnesium overdose, patients may require supportive care and interventions including intravenous fluids and furosemide, IV calcium chloride or calcium gluconate, renal dialysis and artificial respiratory support.

Oral LD50 of 6700mg/kg in rats . Selenium exposure is teratogenic and can result in fetal death as tested in mice. Chronic toxicity is characterized by hair loss, white horizontal streaking on fingernails, paronchyia, fatigue, irritability, hyperreflexia, nausea, vomiting, garlic odor on breath, and metallic taste . Serum selenium correlates weakly with symtoms. Blood chemistry as well as liver and kidney function are normally unnaffected. Acute toxicity presents as stupor, respiratory depression, and hypotension. ST elevations and t-wave changes characteristic of myocardial infarction may be observed.

Acute toxicity to vitamin A can occur when adults or children ingest >100x or >20x the RDA, respectively, over a period of hours or a few days. The RDA for vitamin A differs depending on age and sex and can range from 300 - 900 μg retinol activity equivalents (RAE) per day. Symptoms of acute systemic toxicity generally include mucocutaneous involvement (e.g. xerosis, cheilitis, skin peeling) and may involve mental status changes. Children are typically more susceptible to acute vitamin A toxicity - daily intakes of as little as 1500 IU/kg have been observed to result in toxicity.

Chronic vitamin A toxicity can develop following the long-term ingestion of high vitamin A doses. While there is a wide variation in the lowest toxic vitamin A dose, the ingestion of >25 000 IU daily for 6 years or 100,000 IU daily for 6 months is considered to be toxic. Chronic vitamin A toxicity can affect many organ systems and can lead to the development of osteoporosis and CNS effects (e.g. headaches).

Precaution

Cholestatic jaundice; fat-malabsorption conditions. Monitor patients closely for toxicity. Liver impairment and children.

Interaction

Decreased absorption with neomycin. Increased risk of hypervitaminosis A with synthetic retinoids eg, acitretin, isotretinoin and tretinoin. Increased risk of toxicity when used with alcohol.

Volume of Distribution

According to a pharmacokinetic review, the volume of distribution of magnesium sulphate when used to manage patients with pre-eclampsia and eclampsia ranged from 13.65 to 49.00 L.

Elimination Route

Approximately 24-76% of ingested magnesium is absorbed in the gastrointestinal tract, primarily via passive paracellular absorption in the small intestine.

Oral bioavailability of 90% when given as L-selenomethionine . Tmax of 9.17h.

Readily absorbed from the normal gastrointestinal tract

Half Life

Magnesiums biologic half-life is reported to be approximately 1000 hours or 42 days.

Half life was observed to increase with chronic dosing time . For day 1-2 half life was 1.7 days. For day 2-3 half life was 3 days. For day 3-14 half life was 11.1 days.

1.9 hours

Elimination Route

The majority of magnesium is excreted renally.

Mainly excreted in urine as 1beta-methylseleno-N-acetyl-d-galactosamine and trimethylselenonium . The amount excreted as 1beta-methylseleno-N-acetyl-d-galactosamine plateaus at doses around 2microg after which the amount excreted as trimethylselenonium increases. Some selenium is also excreted in feces when given orally .

Pregnancy & Breastfeeding use

Pregnancy Category A. Adequate and well-controlled human studies have failed to demonstrate a risk to the fetus in the first trimester of pregnancy (and there is no evidence of risk in later trimesters).

Contraindication

Hypervitaminosis A; pregnancy (dose exceeding RDA).

Innovators Monograph

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