Are Dietary Supplements Classified as Drugs or Foods in Taiwan? - Pharmacology

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Regarding the pharmacopoeia?


Hello! I would like to ask if nutritional supplements that are included in the United States Pharmacopeia, Hong Kong Pharmacopeia, or even the Taiwan Drug Handbook are classified as drugs or foods? If they are taken like vitamins, will they have any effects on the human body? For example, I know that products from USANA, such as Grape Seed Extract (PROFLAVANOL), Active Calcium (ACTIVE CALCIUM), and CoQ10 (COQUINONE), are listed in the Taiwan Drug Handbook, but I'm unsure how this differs from regular nutritional supplements.
I would appreciate your guidance on this matter!

Yihuo Ren, 20~29 year old female. Ask Date: 2004/10/11

Dr. Wu Huiling reply Pharmacology


Hello! Regarding the nutritional supplements you mentioned, they are not listed in the pharmacopoeia.
May I ask which resource you used for your inquiry? "Health foods" are products intended to maintain and enhance health, distinct from general foods and pharmaceuticals.
General foods are primarily for sustaining basic life and health, while pharmaceuticals are used to save lives.
Health foods occupy a middle ground, actively promoting health and preventing diseases, thus playing a significant role in preventive medicine.
The definition of health foods refers to products that provide specific nutrients or possess particular health benefits, which are specially labeled or advertised, and are not intended for the treatment or correction of human diseases.
It is explicitly stated that health foods cannot claim therapeutic effects to differentiate them from pharmaceuticals.
The term "health food" has now become a legal term; therefore, any food that has not passed health food certification should not be labeled as "health food" on its packaging to avoid legal issues.

Reply Date: 2004/10/11

More Info


In Taiwan, dietary supplements are primarily classified as foods rather than drugs. This classification is crucial because it determines the regulatory framework under which these products are marketed and sold. According to the Taiwanese health authorities, dietary supplements are intended to provide nutritional support and cannot make claims to treat, prevent, or cure diseases. This is consistent with regulations in many other countries, including the United States, where the FDA regulates dietary supplements as a category of food.

When a product is listed in the Taiwan Drug Manual or other pharmacopoeias, it may indicate that the product has undergone some level of scrutiny regarding its safety and efficacy. However, this does not automatically classify it as a drug. Instead, it suggests that the product has been recognized for its potential benefits and may be used as a dietary supplement. For instance, products like grape seed extract (PROFLAVANOL), calcium supplements (ACTIVE CALCIUM), and CoQ10 (COQUINONE) from companies like USANA may be listed in the drug manual, but they are still marketed as dietary supplements. This means they are not intended to replace conventional medicine but can complement a balanced diet.

The distinction between dietary supplements and drugs is significant because it affects how these products are marketed. Dietary supplements can make claims about their nutritional benefits but cannot claim to treat or prevent diseases unless they have undergone rigorous clinical trials and received approval as drugs. This is a critical point for consumers to understand, as many products may advertise health benefits that are not substantiated by scientific evidence.

Regarding the consumption of dietary supplements, it is essential to approach them with caution. While many people take supplements like vitamins and minerals to enhance their health, excessive intake can lead to adverse effects. For example, fat-soluble vitamins (A, D, E, and K) can accumulate in the body and potentially cause toxicity if taken in excessive amounts. Similarly, certain minerals, including calcium and magnesium, can lead to health issues if consumed inappropriately.

In Taiwan, the lack of stringent regulations on dietary supplements means that consumers must be vigilant. While the presence of a product in the Taiwan Drug Manual may suggest some level of credibility, it does not guarantee safety or efficacy. Consumers should look for products that have been tested for quality and safety by reputable organizations. Additionally, consulting with healthcare professionals before starting any new supplement regimen is advisable, especially for individuals with pre-existing health conditions or those taking medications.

In summary, dietary supplements in Taiwan are classified as foods, and while some may appear in drug manuals, they do not have the same regulatory status as pharmaceuticals. It is crucial for consumers to be informed about the products they choose to take, understanding that while they can provide nutritional benefits, they should not be viewed as substitutes for a healthy diet or conventional medical treatments. Always prioritize safety and efficacy by consulting healthcare professionals and choosing reputable products.

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