RE-CART COMBINATION PRODUCT CAPSULE

Indications

• Symptomatic relief of mild to moderate osteoarthritis of the knee

Dosage

Children: Refer to the BNF for Children for

Adults: 200–400 mg daily, maximum 6.5 mg/kg per day, or 1250 mg once daily, or 1500 mg once daily dissolved in at least 250 mL of water; review treatment if no benefit after 2–3 months.

Mechanism of action

The mechanism of action of glucosamine in joint health is not entirely clear, but it is believed to involve several pathways. Glucosamine is a precursor for glycosaminoglycans, which are essential for cartilage integrity. It may also reduce inflammation by inhibiting interferon gamma and Nuclear factor kappa B subunit 65 (NF-κB p65), which could improve symptoms of arthritis and joint pain. Upon uptake by living cells, glucosamine reacts with ATP to form glucosamine-6-phosphate, further contributing to glycosaminoglycan synthesis.

Pharmacodynamics

Glucosamine is theorized to provide essential building blocks for the synthesis of glycosaminoglycans, potentially slowing the progression of osteoarthritis and alleviating joint pain. Although some studies have indicated modest improvements in joint pain and function among users, the overall evidence remains inconclusive. Glycosaminoglycans are critical for maintaining cartilage elasticity, strength, and flexibility, which are vital for joint health.

Pharmacokinetics

After oral administration, glucosamine is absorbed in the gastrointestinal tract and transported into the bloodstream, where it is metabolized into various forms, including glucosamine-6-phosphate. The exact pharmacokinetics, such as absorption rate and half-life, remain largely undefined, and much of the data is derived from animal studies. Further research is required to clarify its pharmacokinetic profiles in humans.

Adverse effects

• Constipation
• Diarrhoea
• Fatigue
• Gastrointestinal discomfort
• Headache
• Nausea
• Flushing
• Skin reactions

Interactions

• Glucosamine + warfarin: Severe (increases anticoagulant effect)
• Glucosamine + coumarins: Severe (increases anticoagulant effect)
• Glucosamine + acenocoumarol: Unknown (decreases anticoagulant effect)
• Glucosamine + coumarins: Unknown (decreases anticoagulant effect)

Precautions

• Asthma
• Impaired glucose tolerance
• Predisposition to cardiovascular disease

Pregnancy

Safety during pregnancy has not been established; consult with a healthcare provider.

Breast-feeding

Safety during breastfeeding has not been established; consult with a healthcare provider.

Storage

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

Formulations

• Alateris®
• Dolenio®
• Glusartel®

Indications

• Gastroesophageal reflux disease (GERD)
• Peptic ulcers
• Dyspepsia
• Acid-base balance disorders

Dosage

Children: Refer to specific acid formulations and guidelines for dosing. General dosing depends on the acid and its clinical use.

Adults: Refer to specific acid formulations and guidelines for dosing. General dosing depends on the acid and its clinical use.

Mechanism of action

Acids exert their effects primarily by dissociating into protons and anions in solution, thereby lowering the pH of the surrounding environment. This proton donation can influence various physiological processes, including enzyme activity, ion transport, and cellular signaling pathways. For example, hydrochloric acid in the stomach aids in digestion and the absorption of certain nutrients.

Pharmacodynamics

The pharmacodynamic effects of acids are largely dependent on their concentration and the specific type of acid involved. Weak acids may dissociate partially, leading to a less pronounced effect, while strong acids fully dissociate, leading to significant changes in pH and potential tissue irritation. Acids can also interact with various receptors and enzymes, influencing metabolic pathways and physiological responses.

Pharmacokinetics

The pharmacokinetics of acids vary widely depending on their chemical structure. Strong acids, such as hydrochloric acid, do not significantly enter systemic circulation due to their rapid dissociation in aqueous environments. Weak acids may be absorbed through the gastrointestinal tract, where their absorption is influenced by pH, solubility, and the presence of food. Metabolism and excretion pathways also vary, with some acids being metabolized to bicarbonate or other metabolites before excretion, primarily via the kidneys.

Adverse effects

• Gastrointestinal irritation
• Nausea
• Vomiting
• Abdominal pain
• Diarrhea
• Electrolyte imbalance

Precautions

• Use with caution in patients with renal impairment
• Monitor for signs of gastrointestinal bleeding
• Consider potential interactions with other medications that may affect gastrointestinal motility or pH levels

Pregnancy

The safety of various acids during pregnancy may vary; consult specific guidelines for each acid. Generally, use should be limited to essential cases.

Breast-feeding

Caution is advised when using acids during breastfeeding; consult specific guidelines for each acid.

Storage

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

Indications

• Osteoarthritis
• Joint pain
• Cartilage repair
• Joint health maintenance

Dosage

Children: Refer to healthcare professionals for guidance on dosing in children, as specific pediatric dosing information is not well established.

Adults: Refer to specific product labeling and consult healthcare professionals for guidance on dosing, as dosages can vary based on formulations and clinical guidelines.

Mechanism of action

Chondroitin works primarily by providing the building blocks necessary for the synthesis of glycosaminoglycans, which are critical components of cartilage. It is thought to inhibit the enzymes that break down cartilage, thereby promoting cartilage repair while also exhibiting anti-inflammatory properties. Additionally, chondroitin may enhance the retention of water in the cartilage, improving its elasticity and resilience.

Pharmacodynamics

Chondroitin has been shown to modulate inflammatory responses within the joints and may help to improve joint mobility and reduce pain associated with osteoarthritis. Its effects on cartilage metabolism are believed to contribute to its therapeutic benefits, although the clinical efficacy may vary among individuals. The anti-inflammatory properties may also contribute to a reduction in joint swelling and discomfort.

Pharmacokinetics

Chondroitin is poorly absorbed from the gastrointestinal tract, with bioavailability ranging from 12% to 36%. It is distributed in the extracellular matrix of cartilage and other connective tissues. Metabolism of chondroitin is not well understood, but it is believed to be metabolized in the liver. The elimination half-life in humans is not well defined, and it is primarily excreted via urine as metabolites. The effects of food on its absorption are still under investigation.

Adverse effects

• Nausea
• Diarrhea
• Constipation
• Abdominal pain
• Headache
• Skin reactions

Interactions

• Anticoagulants (e.g., warfarin) - may increase the risk of bleeding
• NSAIDs - may affect the efficacy of these medications

Precautions

• Use with caution in patients with a history of bleeding disorders
• Caution is advised in patients undergoing surgery due to potential bleeding risk
• Patients with shellfish allergies should consult a physician as some chondroitin supplements are derived from marine sources

Pregnancy

There is insufficient reliable information regarding the safety of chondroitin during pregnancy. It is advisable to avoid use unless prescribed by a healthcare professional.

Breast-feeding

It is not known if chondroitin is excreted in human milk. Caution is advised for nursing mothers considering its use.

Storage

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

Formulations

• Capsule
• Tablet
• Powder
• Liquid

Indications

• Nutritional support
• Management of dyslipidemia
• Support for cardiovascular health
• Anti-inflammatory therapies

Dosage

Children: Refer to the BNF for Children for specific dosing recommendations based on age and condition.

Adults: Dosage varies widely depending on the specific type of fatty acid and the condition being treated. Refer to specific guidelines for dietary or therapeutic doses.

Mechanism of action

Fatty acids exert their effects through several mechanisms, including serving as energy sources, components of cell membrane phospholipids, and precursors for signaling molecules such as eicosanoids. They can modulate gene expression and influence metabolic pathways by activating nuclear receptors, such as peroxisome proliferator-activated receptors (PPARs).

Pharmacodynamics

Fatty acids influence lipid metabolism, inflammation, and insulin sensitivity. They can alter membrane fluidity and receptor function, impacting cellular signaling. Saturated fatty acids may promote inflammatory processes, while unsaturated fatty acids, particularly omega-3 and omega-6 fatty acids, can exert anti-inflammatory effects and promote cardiovascular health.

Pharmacokinetics

Fatty acids are absorbed in the intestine via passive diffusion and are transported in the blood bound to albumin or as part of lipoproteins. They are metabolized in the liver, where they can undergo beta-oxidation to generate energy or be converted into ketone bodies. The half-life varies depending on the type of fatty acid and its incorporation into various tissues.

Pregnancy

Consult with a healthcare provider before use, as the effects of fatty acids during pregnancy can vary.

Breast-feeding

Consult with a healthcare provider before use, as some fatty acids may be excreted in breast milk.

Storage

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

Indications

• Calcium deficiency
• Iron deficiency anemia
• Magnesium deficiency
• Potassium depletion
• Electrolyte imbalances

Dosage

Children: Paediatric doses of minerals should be determined based on age, weight, and specific clinical indications. Consultation with pediatric dosing guidelines or the BNF for Children is recommended.

Adults: Doses of minerals vary widely based on the specific mineral and the condition being treated. It is essential to refer to established guidelines or the relevant pharmacopoeia for specific dosing recommendations.

Mechanism of action

Minerals exert their effects through various mechanisms, often by interacting with specific enzymes or cellular receptors. For example, calcium is vital for muscle contraction and neurotransmitter release, while iron is a key component of hemoglobin, facilitating oxygen transport in the blood. Additionally, minerals can influence physiological pathways such as nerve conduction, fluid balance, and cellular signaling.

Pharmacodynamics

Minerals contribute to numerous physiological functions, including muscle contraction, nerve impulse transmission, and cellular metabolism. Their pharmacodynamic effects depend on the specific mineral. For instance, magnesium plays a role in over 300 enzymatic reactions, while potassium is crucial for maintaining normal cellular function and fluid balance. Imbalances can lead to conditions such as hypertension, osteoporosis, and anemia.

Pharmacokinetics

The absorption, distribution, metabolism, and excretion of minerals vary widely among different types. Generally, minerals are absorbed in the gastrointestinal tract, with bioavailability influenced by dietary factors and the presence of other nutrients. For example, vitamin C enhances iron absorption, while phytates and oxalates can inhibit it. Once absorbed, minerals are distributed in the body fluids and tissues, with excess amounts typically excreted through the kidneys. Specific transport proteins may facilitate their uptake and distribution.

Pregnancy

Minerals are essential nutrients during pregnancy, with some, like iron and calcium, being particularly important. However, excessive intake of certain minerals can be harmful.

Breast-feeding

Minerals are important for lactating women, as they are necessary for both maternal health and the development of the nursing infant. Adequate mineral intake is recommended, but supplementation should be approached cautiously.

Storage

Store in a cool, dry place away from direct sunlight. Specific storage conditions may vary based on the type of mineral supplement.

Indications

• Herbal medicine
• Nutritional supplements
• Antioxidant therapy
• Anti-inflammatory treatment
• Support for immune function
• Management of stress and anxiety

Dosage

Children: Paediatric dosing for natural extracts should be approached with

Adults: Dosing of natural extracts is highly variable and should be guided by specific product recommendations and clinical evidence. It is essential to consult relevant guidelines and consider the concentration of active ingredients in the extract.

Mechanism of action

The mechanism of action of natural extracts varies widely depending on the source and the specific compounds present. Many natural extracts exert their effects by interacting with cellular receptors, modulating enzyme activity, and influencing signaling pathways. For example, certain plant extracts can act as antioxidants, reducing oxidative stress, while others may have anti-inflammatory or antimicrobial properties by inhibiting specific pathways or biological targets.

Pharmacodynamics

Pharmacodynamics of natural extracts is highly dependent on their phytochemical composition. These extracts can exhibit a range of effects including anti-inflammatory, analgesic, antimicrobial, and antioxidant actions. The potency and efficacy of these effects can be influenced by the concentration of active compounds, the route of administration, and individual patient factors, including genetics and existing health conditions. Natural extracts often have a more complex interaction profile compared to synthetic drugs, potentially leading to both desired therapeutic effects and adverse reactions.

Pharmacokinetics

The pharmacokinetics of natural extracts can be complex due to the mixture of compounds they contain. Generally, absorption occurs in the gastrointestinal tract, with bioavailability varying significantly among different extracts and individuals. Metabolism typically occurs in the liver, where active compounds are transformed into metabolites, which can be either active or inactive. Excretion is mainly via the kidneys or bile, and the half-life of active compounds can vary widely. Factors such as the extract's formulation, presence of food, and the individual's metabolic rate can influence the pharmacokinetic profile.

Pregnancy

Consult healthcare provider before use due to limited data on safety.

Breast-feeding

Consult healthcare provider before use, as safety during breastfeeding is not well established.

Storage

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

Indications

• Wound healing
• Burn treatment
• Skin regeneration
• Tissue engineering
• Dermal fillers in cosmetic procedures

Dosage

Children: Refer to specific product guidelines for dosage information, as it can vary based on the formulation and intended use.

Adults: Refer to specific product guidelines for dosage information, as it can vary based on the formulation and intended use.

Mechanism of action

Ncollagen works by providing a scaffold for cell attachment and proliferation, which is essential for tissue repair and regeneration. It may stimulate fibroblast activity, promoting the production of new collagen, elastin, and other extracellular matrix components, facilitating wound healing and tissue remodeling.

Pharmacodynamics

The pharmacodynamics of ncollagen involve its interaction with various cell types, particularly fibroblasts and keratinocytes, which play critical roles in wound healing and tissue repair. By enhancing collagen deposition and influencing the cellular environment, ncollagen can improve tissue integrity and elasticity, leading to better functional outcomes in treated areas.

Pharmacokinetics

As a protein, ncollagen is not typically absorbed systemically when applied topically, and its effects are localized to the site of application. The degradation of collagen is mediated by various proteolytic enzymes, and the rate of turnover can vary based on the specific formulation and site of application. In injectable forms, the rate of absorption and metabolism can depend on the surrounding tissue characteristics and the specific formulation used.

Pregnancy

The safety of ncollagen during pregnancy has not been established. Caution is advised.

Breast-feeding

Limited data is available on the excretion of ncollagen in human milk. Caution is recommended.

Storage

Store in a cool, dry place away from light. Follow specific manufacturer's instructions for storage.

Indications

• Cardiovascular disease prevention
• Hypertriglyceridemia
• Rheumatoid arthritis
• Inflammatory bowel disease
• Cognitive decline and dementia
• Mood disorders

Dosage

Adults: Dosage varies based on the condition being treated. For general health, a common recommendation is 250-500 mg of combined EPA and DHA

Mechanism of action

Omega fatty acids exert their effects through various mechanisms, including the modulation of inflammatory pathways and the synthesis of specialized pro-resolving mediators. They are incorporated into cell membranes, affecting membrane fluidity and receptor function. Omega-3 fatty acids can also decrease the production of pro-inflammatory eicosanoids and increase anti-inflammatory mediators, promoting a balanced inflammatory response.

Pharmacodynamics

The pharmacodynamics of omega fatty acids involve their role in cellular signaling, gene expression, and lipid metabolism. Omega-3 fatty acids, particularly EPA and DHA, have been shown to influence the resolution of inflammation and enhance endothelial function. They also play a role in neuroprotection and cognitive function, with evidence suggesting that adequate omega-3 intake is associated with reduced risk of neurodegenerative diseases.

Pharmacokinetics

Omega fatty acids are absorbed in the intestine through the action of bile salts and pancreatic enzymes. Once absorbed, they are transported via chylomicrons into the lymphatic system and then into the bloodstream. They are distributed throughout the body, particularly in the brain and heart. The half-life of omega fatty acids can vary, with some studies suggesting an elimination half-life of several days to weeks, depending on the specific fatty acid and individual metabolism. They undergo beta-oxidation for energy production and can be converted into eicosanoids, which mediate various physiological functions.

Adverse effects

• Nausea
• Diarrhea
• Fishy aftertaste
• Allergic reactions
• Increased bleeding risk

Interactions

• Anticoagulants may increase the risk of bleeding when combined with omega-3 fatty acids
• Antihypertensive medications may have additive effects on blood pressure

Precautions

• Use cautiously in patients with bleeding disorders
• Monitor patients on anticoagulants for signs of increased bleeding
• Consider the source of omega-3 fatty acids, as some may contain contaminants

Pregnancy

Generally considered safe when used in recommended amounts, but high doses should be avoided due to potential bleeding risk.

Breast-feeding

Considered safe; omega-3 fatty acids can be beneficial for both mother and infant.

Storage

Store in a cool, dry place, away from light. Refrigeration may be required for some formulations to maintain stability.

Formulations

• Capsules
• Softgels
• Liquid oil
• Fortified foods

Indications

• Hormone replacement therapy
• Diabetes management
• Muscle growth enhancement
• Weight loss
• Treatment of certain cancers
• Antimicrobial activity

Dosage

Children: Refer to specific peptide formulations for dosing recommendations, as they vary widely based on the intended use and formulation.

Adults: Refer to specific peptide formulations for dosing recommendations, as they vary widely based on the intended use and formulation.

Mechanism of action

Peptides exert their effects by binding to specific receptors on target cells, initiating a cascade of intracellular signaling pathways. This can lead to various physiological responses such as modulation of enzyme activity, gene expression, and cellular metabolism. The specific mechanism varies according to the peptide's structure and the biological system it affects.

Pharmacodynamics

The pharmacodynamic profile of peptides is closely related to their structure and the receptors they target. Many peptides function as hormones, neurotransmitters, or growth factors, leading to dose-dependent effects. The potency and efficacy of a peptide are influenced by factors such as receptor affinity, downstream signaling pathways, and the presence of receptor antagonists.

Pharmacokinetics

Peptides are typically administered via injection as they can be degraded by gastrointestinal enzymes when taken orally. Their absorption, distribution, metabolism, and elimination vary based on the peptide's size, structure, and formulation. Generally, peptides have short half-lives due to rapid enzymatic degradation. Modifications to peptide structure can enhance stability and bioavailability.

Pregnancy

Safety during pregnancy has not been established; use with caution and only if clearly needed.

Breast-feeding

Safety during breastfeeding has not been established; use with caution.

Storage

Store in a cool, dry place, protected from light and moisture.

Indications

• Vitamin deficiency
• Nutritional supplementation
• Prevention of certain diseases
• Supporting metabolic functions

Dosage

Children: Refer to specific guidelines for individual vitamins or consult a healthcare professional for personalized dosing recommendations.

Adults: Refer to specific guidelines for individual vitamins or consult a healthcare professional for personalized dosing recommendations.

Mechanism of action

Vitamins function primarily as coenzymes or precursors for enzyme cofactors in various metabolic pathways. For instance, B vitamins are involved in energy metabolism by assisting in the conversion of carbohydrates, fats, and proteins into energy. Vitamin C acts as an antioxidant, protecting cells from damage, and is also crucial for collagen synthesis. Fat-soluble vitamins like A are involved in vision and immune function, while vitamin D regulates calcium and phosphate metabolism.

Pharmacodynamics

Vitamins exert their effects by participating in biochemical reactions and influencing metabolic pathways. For example, vitamin A is vital for vision and immune response, while vitamin D is important for maintaining bone health through its role in calcium absorption. The effects of vitamins can vary significantly depending on their solubility, with water-soluble vitamins typically being excreted more readily than fat-soluble ones, which can accumulate in the body.

Pharmacokinetics

The absorption of vitamins varies; water-soluble vitamins are generally absorbed in the small intestine and excreted in urine, while fat-soluble vitamins require dietary fats for absorption and are stored in the liver and fatty tissues. The bioavailability of vitamins can be affected by dietary composition, age, and health status. Elimination half-lives also differ; for instance, vitamin C has a shorter half-life compared to vitamin A, which can persist in the body for longer periods.

Adverse effects

• Nausea
• Vomiting
• Diarrhea
• Constipation
• Headache
• Fatigue
• Allergic reactions

Interactions

• Fat-soluble vitamins (A, D, E, K) can accumulate and cause toxicity when taken in excess, especially with other supplements
• Certain medications (e.g., anticoagulants) may interact with vitamin K
• Vitamin C can enhance the absorption of iron supplements

Precautions

• Use caution in patients with kidney disease when taking vitamin D
• Monitor for signs of toxicity with high-dose vitamin supplementation
• Consider dietary sources of vitamins before recommending supplements

Pregnancy

Vitamins are generally considered safe during pregnancy when taken at recommended dosages. However, excessive intake, particularly of fat-soluble vitamins, should be avoided.

Breast-feeding

Most vitamins are safe during breastfeeding at recommended doses, but excessive amounts can affect breast milk composition.

Storage

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

Formulations

• Tablets
• Capsules
• Soft gels
• Powders
• Liquid solutions
• Chewable tablets

Mechanism of action

The mechanism of action of glucosamine in joint health is unclear, however there are several possible mechanisms that contribute to its therapeutic effects. Because glucosamine is a precursor for glycosaminoglycans, and glycosaminoglycans are a major component of joint cartilage, glucosamine supplements may help to rebuild cartilage and treat the symptoms of arthritis. Some in vitro studies show evidence that glucosamine reduces inflammation via inhibition of interferon gamma and Nuclear factor kappa B subunit 65 (NF-κB p65), improving the symptoms of arthritis and joint pain. Clinical relevance is unknown at this time. When taken up by living cells, glucosamine reacts with ATP to form glucosamine-6-phosphate, the natural precursor of glycosaminoglycans (GAGs) that contain N-acetylglucosamine (keratan sulfate and Hyaluronan) and those that have N-acetylgalactosamine (heparan sulfate and chondroitin sulfate). These GAGs are polysaccharides composed of hexosamines and monosaccharides (e.g., galactose and glucuronic acid) arranged as a linear chain of repeating disaccharide units (such as the glucuronic acid and N-acetylgalactosamine-6-sulfate of chondroitin sulfate). With the exception of hyaluronan, GAGs do not exist alone in nature but are attached to specific "core" proteins, and the composite structures are called proteoglycans (protein-glycosaminoglycans). Both hyaluronan and many different kinds of proteoglycans (such as aggrecan, versican, and syndecan) are abundant throughout the body where they perform diverse functions.

Pharmacodynamics

The administration of glucosamine, in theory, provides a building block towards the synthesis of glycosaminoglycans, slowing the progression of osteoarthritis and relieving symptoms of joint pain. Studies to this date examining the efficacy of glucosamine sulfate have been inconclusive. Glycosaminoglycans contribute to joint cartilage elasticity, strength, and flexibility. A systematic review of various studies and guidelines determined that modest improvements were reported for joint pain and function in patients taking glucosamine. A consistent joint space narrowing was observed, but with an unclear clinical significance.