LIQUID-CHLOROPHYL-PLUS-GUARANA 120/150MG LIQUID

Indications

• Antioxidant support
• Wound healing
• Detoxification
• Digestive health

Dosage

Children: Refer to specific product guidelines or consult healthcare professionals. There is no established standard dose.

Adults: Refer to specific product guidelines or consult healthcare professionals. There is no established standard dose.

Mechanism of action

Chlorophyll acts primarily through its ability to absorb light energy in the chloroplasts of plant cells, facilitating the conversion of carbon dioxide and water into glucose and oxygen during photosynthesis. Its potential health benefits in humans may be attributed to its antioxidant properties, which help to neutralize free radicals and reduce oxidative stress.

Pharmacodynamics

Chlorophyll's pharmacodynamic effects are linked to its antioxidant capacity, which may contribute to reducing inflammation and promoting cellular repair. It may also enhance detoxification processes in the liver and support gut health by promoting the growth of beneficial gut bacteria.

Pharmacokinetics

Chlorophyll is poorly absorbed in the gastrointestinal tract when ingested, with most of it being excreted unchanged. However, some studies suggest that certain derivatives of chlorophyll, such as chlorophyllin, may be more bioavailable and could exert beneficial effects when absorbed.

Pregnancy

There is insufficient data on the safety of chlorophyll in pregnancy. It is advisable to consult a healthcare provider before use.

Breast-feeding

Chlorophyll is generally considered safe during breastfeeding, but it is best to consult a healthcare provider.

Storage

Store in a cool, dry place away from direct sunlight and moisture.

Formulations

• Liquid
• Capsules
• Tablets
• Powder

Indications

• Insecticide for agricultural use
• Research tool in toxicology

Dosage

Children: Refer to the BNF for Children for specific dosing and administration guidelines.

Adults: Refer to the BNF for specific dosing and administration guidelines.

Mechanism of action

Methyl parathion acts primarily by inhibiting the enzyme acetylcholinesterase, which is essential for the breakdown of the neurotransmitter acetylcholine. Its active metabolite, methyl paraoxon, is a potent inhibitor of both acetylcholinesterase and butyrylcholinesterase. The inhibition of these enzymes results in the accumulation of acetylcholine at synapses, leading to overstimulation of cholinergic receptors and resultant toxic effects.

Pharmacodynamics

The pharmacodynamics of methyl parathion involve its action as a noncompetitive inhibitor of acetylcholinesterase, causing prolonged effects of acetylcholine due to its inability to be hydrolyzed. The resultant cholinergic toxicity can lead to symptoms such as muscle twitching, respiratory distress, and potentially fatal outcomes if not treated promptly. The extent of inhibition is dose-dependent, with significant toxicity occurring after substantial enzyme inhibition.

Pharmacokinetics

Methyl parathion is absorbed through the gastrointestinal tract and can also be absorbed through the skin and respiratory tract. It is metabolized in the liver to form methyl paraoxon, which is responsible for the majority of its toxic effects. The distribution of methyl parathion in body tissues is influenced by its lipophilicity, and it is primarily excreted as metabolites in the urine. The elimination half-life and specific pharmacokinetic parameters can vary based on individual metabolism and exposure levels.

Pregnancy

There are no adequate and well-controlled studies in pregnant women. Use only if the potential benefit justifies the potential risk to the fetus.

Breast-feeding

It is not known whether this drug is excreted in human milk. Caution is advised when administering to nursing women.

Storage

Store in a cool, dry place away from direct sunlight. Keep out of reach of children.

Formulations

• Liquid formulation

Indications

• Allergic rhinitis
• Common cold
• Sinusitis
• Nasal congestion
• Cough associated with colds or allergies

Dosage

Children: Refer to B

Adults: Refer to specific product guidelines for dosing; generally taken every 4 to 6 hours as needed, not exceeding the maximum daily limit.

Mechanism of action

The active components in Plus work synergistically to relieve symptoms. Antihistamines block the action of histamine at H1 receptors, reducing allergy symptoms such as sneezing and runny nose. Decongestants act on alpha-adrenergic receptors in the nasal mucosa, leading to vasoconstriction and reduced edema, thereby relieving nasal congestion. If an analgesic or antipyretic is included, it typically works by inhibiting cyclooxygenase enzymes, leading to decreased production of prostaglandins, which are mediators of pain and fever.

Pharmacodynamics

The pharmacodynamic effects of Plus vary based on its specific formulation. Antihistamines provide symptomatic relief from allergic reactions, while decongestants improve airflow through the nasal passages. The analgesic component, if present, helps in reducing pain and fever, enhancing overall comfort during illness. The onset of action varies with the route of administration, generally occurring within 30 minutes to an hour after oral intake.

Pharmacokinetics

The pharmacokinetics of Plus depend on its individual components. Generally, antihistamines are well absorbed from the gastrointestinal tract, with peak plasma concentrations occurring within 1 to 3 hours. They undergo hepatic metabolism and are eliminated primarily through the urine. Decongestants also have good oral bioavailability, with a similar onset of action. Their elimination half-lives vary, ranging from 2 to 12 hours. If analgesic components are present, they may have longer half-lives and specific metabolic pathways.

Mechanism of action

Acute poisoning ... is related to ... inhibiting action on enzyme acetylcholinesterase. Toxic manifestations generally occur only after more than 50% of plasma cholinesterase is inhibited. ... Methyl parathion ... depend on oxidative activation by replacement of thiono-sulfur with oxygen for ... toxicity. Methyl parathion has only a slight inhibitory action on acetylcholinesterase and butyrylcholinesterase, but its active metabolite, methyl paraoxon, is a potent inhibitor of both these enzymes. A study was conducted examining the inhibition of (Ca2+ and Mg2+)-ATPase by parathion (56382) and methyl parathion. Enzyme activity was assessed spectrophotometrically in pig erythrocyte membranes containing calcium2+ (Ca2+) and magnesium2+ and in solubilized membrane preparations incubated with the test agents. The enzyme response to ATP was biphasic. Equations expressing the kinetics of the substrate curves described two classes of the ATP binding active site, one with high affinity and low maximum rate and one with low affinity and high maximum rate. High affinity active sites were stimulated by low ATP concentrations (20 uM), whereas low affinity active sites were stimulated by high ATP levels (2 mM). Parathion and methylparathion dose dependently inhibited enzyme activity; parathion had a greater inhibitory effect than methylparathion. Lineweaver-Burke and Dixon plots indicated noncompetitive inhibition. Parathion and methylparathion induced enzyme inhibition occurred over a range of free calcium ion concentrations (0.5 to 5 mM); the inhibition was significantly greater at lower Ca2+ concentrations (1 to 100 uM) than at higher concentrations. The authors conclude that parathion and methylparathion inhibit ATPase activity by binding to a site on the enzyme rather than through an interaction with associated lipids. For more Mechanism of Action (Complete) data for METHYL PARATHION (6 total), please visit the HSDB record page.