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Vitamins

Vitamins

Vitamins, derived from the Latin word for life, are essential organic substances required in small quantities for optimal growth and overall well-being. Unlike other organic nutrients, vitamins don't act as sources of energy or building materials but rather facilitate these nutrients' utilization by the body. Vitamins are predominantly coenzymes, assisting enzymes in specific chemical actions, like the oxidation of glucose for energy involving B vitamins. Most vitamins are not produced in our...

FDA Approved Drugs: Changes to Approved Drugs

FDA Approved Drugs: Changes to Approved Drugs

Post-approval, manufacturers may modify an approved new or generic drug product. Such modifications can encompass alterations in the Active Pharmaceutical Ingredient (API), manufacturing process, formulation, batch size, manufacturing site, and container closure system (FDA Guidance for Industry, April 2004). Often, a drug product may undergo multiple changes.These modifications require careful evaluation to determine their potential impact on the drug product's identity, strength, quality,...

Pharmaceutical Alternatives: Stability-Related Therapeutic Nonequivalence

Pharmaceutical Alternatives: Stability-Related Therapeutic Nonequivalence

Generic intravenous (IV) drugs are considered bioequivalent to their branded counterparts due to their 100% bioavailability upon administration. However, variations in stability among different drug products can significantly influence their therapeutic performance, even if they are pharmaceutically equivalent.Cefuroxime, a prophylactic antimicrobial, is often used as a single-dose IV injection for patients undergoing coronary artery bypass grafting surgery. A 3 g dose typically provides...

Prescription, Nonprescription and Orphan Drugs

Prescription, Nonprescription and Orphan Drugs

Prescription drugs require a prescription from a medical practitioner and can only be obtained from a pharmacy. They have many applications, including treating pain, anxiety, and hypertension.
The misuse and addiction to prescription drugs is a growing problem that can affect people of all age groups, specifically teenagers. This can happen when prescription medications are used in ways not intended by the prescriber, such as taking someone else's prescription or using medication for...

Pharmaceutical Alternatives: Polymorphic Form-Related and Particle Size-Related Therapeutic Nonequivalence

Pharmaceutical Alternatives: Polymorphic Form-Related and Particle Size-Related Therapeutic Nonequivalence

Changes in polymorphic forms can significantly influence the bioavailability of poorly soluble drugs. Although the FDA defines pharmaceutical equivalence based on having the same active ingredient, dosage form, and route of administration, it does not automatically disqualify products with different polymorphic forms. This means two products with different polymorphs can still be deemed pharmaceutically equivalent. However, polymorphic differences can affect properties like wettability,...

Clinically Relevant Drug Product Specifications: Methods of Establishment

Clinically Relevant Drug Product Specifications: Methods of Establishment

Product specifications define the acceptable quality of a pharmaceutical product by ensuring identity, purity, potency, and strength. These specifications serve as benchmarks during development, manufacturing, and post-approval quality control. Clinically relevant specifications are particularly important because they directly relate to a drug's safety and efficacy in clinical use.Dissolution studies are critical biopharmaceutic tools that link in vitro behavior to in vivo performance. They...

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Related Experiment Videos

[New proposals for old vitamins].

¹Service de Médecine Interne, Hôpital Erasme, Bruxelles. ecogan@ulb.ac.be

Revue Medicale De Bruxelles

|October 28, 2008

Summary

Vitamins offer more than metabolic support, with Vitamin D showing benefits for autoimmune diseases, cancer, and cardiovascular health. Emerging research explores Vitamin K and B12, while Vitamin A and E

Area of Science:

Explores the expanding roles of vitamins beyond their established metabolic functions.
Focuses on micronutrients including Vitamin D, K, B12, A, and E.

Context:

Vitamins are increasingly recognized for novel therapeutic properties.
Current research investigates non-traditional applications of essential vitamins.

Purpose:

To review the emerging and unsuspected health benefits of various vitamins.
To highlight new indications and ongoing debates regarding vitamin supplementation.

Summary:

Vitamin D demonstrates efficacy in autoimmune diseases, cancers, cardiovascular conditions, and fall prevention in the elderly.
Low-dose oral Vitamin K is indicated for unstable anticoagulant therapy.
Oral Vitamin B12 offers an alternative to injections for pernicious anemia.

Related Experiment Videos

Antioxidant benefits of Vitamins A and E are contested due to potential increased mortality risks.

Impact:

Provides insights into the evolving understanding of vitamin functions in human health.
Informs clinical practice regarding new vitamin applications and contraindications.
Highlights the need for cautious interpretation of evidence for antioxidant vitamins A and E.