Liposomal Encapsulation Helps Deliver Medications More Effectively

By Jody Leach


Nutritional supplements and most medications are meant to target specific physical systems or organs. Intravenous drip and injection are the most effective methods of delivery, transferring necessary chemicals directly to the blood. When swallowed, medications usually face degradation in the acids of the upper digestive tract. Liposomal encapsulation creates a protective barrier, ultimately allowing more complete absorption.

Scientists first became aware of the process during the 1960s, and their discovery ultimately led to new and more effective means of administering drugs internally. Today, it is widely used in the treatment of age-related degenerative conditions affecting vision, stubborn fungal infections, and even some kinds of cancer. Although standard methods of delivery still predominate medically, encapsulation has proven to be a viable alternative.

For a medication to pass through the upper digestive tract without being dissolved, it must be protected by a safe and non-toxic barrier. The substance used to encapsulate these drugs is an organic material that closely mimics human cellular walls, making it safer to ingest. After it has been activated by using one of three common processes, small bubbles of liposomes are formed around the tiny grains of medication.

They are microscopic, and can easily pass through the stomach into the small intestine where the coating slowly dissolves, allowing the medication to be absorbed. In many cases, this process actually improves the therapeutic impact, and has the additional benefit of producing fewer side effects. Not all types of medicine are adaptable to this delivery system, which is primarily associated with water-soluble substances.

Because the process is not invasive and generates fewer negative reactions, there are immediately and obvious advantages. Liposomes are completely biodegradable, and contain no petroleum-derived compounds or other unwanted toxic substances. They easily survive an onslaught of powerful acid, and later function as mini time-release stations within the small intestine. Powerful cancer drugs administered in this way create less collateral damage to surrounding tissues.

While being used successfully today in many hospitals, there are some drawbacks. Production costs are comparatively high, but are subject to a natural decrease as product use expands. Seal leakage has been an issue in some cases, and simple oxidation processes can diminish effectiveness. Certain drugs may experience a diminished half-life, and their long-term viability may be reduced. Even with these known issues, positive benefits exceed negative reports.

The past decade has seen a transition from strictly medical venue to include delivery of nutritional supplements and cosmetic materials. Anecdotal evidence of an increase in physical well-being associated with administering vitamins and minerals in this way are common. Vitamin C has long been touted as a natural way to combat the effects of upper respiratory infections, and this method is said to provide noticeably better results than pills alone.

Although there is currently widespread information available outlining personal production of encapsulated herbs, vitamins and minerals, making medical-quality products is costly and complicated, and is not a panacea for the problems associated with aging. As uses for this drug delivery process continue to grow, consumers will benefit most from its incorporation into health regimens that are already known to be beneficial.




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