Frequently Asked Questions

CBD occurs naturally in Cannabis sativa plants, including hemp. The cannabinoid profile and legal classification depend on the plant material, extraction method and finished product.

CBD itself is not generally considered intoxicating in the way THC is. However, finished CBD products can contain other cannabinoids, including trace amounts of THC, so check the product information and lab data for the specific product you use.

CBD should not be given to a child simply by applying an adult dosing approach at a lower amount. Use in children should be discussed with a qualified healthcare professional who can consider the child's age, health, medicines and the specific product involved.

Yes. CBD can cause side effects in some people. Reported effects can include tiredness or drowsiness, changes in appetite, gastrointestinal upset and interactions with some medicines. Stop use and seek appropriate advice if you experience a concerning reaction.

The legal status of a CBD product in Thailand depends on the product formulation, cannabinoid content, approvals and current Thai regulations. Siam Herbal Health states that its products are legal, certified and lab-tested. Regulations can change, so product compliance should be checked against current requirements.

A drug test may not be designed to detect CBD itself, but some CBD products can contain THC or other cannabinoids that may be relevant to testing. If drug testing matters for your work, sport or another reason, review the product's cannabinoid profile and consider avoiding products that contain detectable THC.

CBD is being researched across a range of health and wellness contexts, but that does not mean every CBD product is proven to diagnose, treat or cure those conditions. For evidence-based medical advice about a particular condition, speak with a qualified healthcare professional.

You can also read our CBD benefits information for a more careful overview of commonly discussed research areas.

There is no single amount that is right for everyone. Product strength, body size, sensitivity, medicines and reason for use can all influence the response. A conservative approach is to start with a low amount, keep timing consistent and make gradual changes while observing how you respond.

See the Siam Herbal Health CBD Dosage Guide for the site's fuller explanation and example progression.

Holding CBD oil under the tongue is known as sublingual use. The area under the tongue has a rich blood supply, so this method is commonly used to allow some of the product to be absorbed through the oral tissues before the remainder is swallowed. Follow the directions supplied with the specific oil you use.

The existing Siam Herbal Health guidance says refrigeration is not normally necessary. Store CBD oil in a cool, dark place away from direct sunlight and excessive heat, and follow any storage directions printed on the current product label.

Timing depends on the product and how you respond to it. Some people prefer daytime use, while others choose evening use. When introducing a product, keep the timing reasonably consistent so you can better assess how it affects you. Avoid driving or operating machinery if it makes you drowsy or less alert.