
A brain supplement (cognitive and focus supplement) is a dietary supplement developed to support brain function in memory and concentration. Common ingredients include bacopa extract, lion’s mane mushroom, L-theanine and phosphatidylserine. A brain supplement clinical trial measures outcomes in volunteers who take the actual product using standard assessment tools, and compares them with a group that receives a placebo.
The market for dietary supplements that support cognitive performance, memory and focus continues to grow in Thailand and worldwide, in line with the interest of working adults and older people in looking after brain health and maintaining cognitive performance in the long term. Brand owners who want to state on a label or in marketing materials that a product “supports memory” or “helps you focus” must have scientific evidence for that statement, and food advertising must comply with the Food Act B.E. 2522 (1979), including advertising approval where the law requires it.
These products are complex to measure clinically because cognitive performance covers several domains: memory, attention, processing speed and executive function, and each domain is measured with different tools. VISBIO Co., Ltd. provides study design, project management and project coordination for clinical studies of these products, working with a network of partner clinical research sites and hospitals. The main outcome tools are memory and concentration assessments completed by the volunteers themselves, selected to match the claim and the volunteer group, under Good Clinical Practice (GCP). The service runs from planning the study protocol to the final report, for sponsors in Thailand and abroad.
Limits of the Thai FDA number: why brain supplement brands need further evidence of efficacy
Memory and focus claims call for particular care when communicating about dietary supplements. Under the Food Act B.E. 2522 (1979), the approval of dietary supplements by the Thai Food and Drug Administration (Thai FDA) focuses mainly on product safety and quality and does not confirm clinical efficacy. The food serial number (Thai FDA number) is therefore not evidence that a product on the market has the stated effect on memory or focus.
This distinction matters to brand owners because health-conscious consumers, modern trade retailers and export partners increasingly want evidence they can verify. The gap between “having a Thai FDA number” and “having evidence of efficacy” is therefore an important issue in this category, especially when products are high-priced and the claims concern brain function, which consumers care a great deal about.
A clinical trial is designed to answer this question directly by measuring outcomes in volunteers who receive the actual product, using assessment tools accepted in international clinical research. The resulting data support product development and evidence-based communication.
Key ingredients in brain supplements: the scientific basis for product developers
The active ingredients commonly used in this category are supported by different levels of scientific evidence. Bacopa (Bacopa monnieri) is one of the most researched herbs in the category. Stough et al. (2001) conducted a double-blind, placebo-controlled study in healthy adults and found that 300 mg of bacopa extract daily significantly improved the speed of visual information processing, learning rate and memory consolidation compared with placebo, with the clearest effects at 12 weeks. Pase et al. (2012) later carried out a systematic review of six randomized controlled trials, all lasting 12 weeks, and concluded that there is some evidence that bacopa improves memory free recall, but that evidence for other areas of cognitive performance is still limited.
For L-theanine and caffeine, a popular combination in focus products, Haskell et al. (2008) studied acute effects in a randomized, double-blind, placebo-controlled crossover trial. They found that 250 mg of L-theanine combined with 150 mg of caffeine improved accuracy on sustained attention tasks, sped up reaction times and reduced self-rated mental fatigue. The authors concluded that drinks containing both compounds may have a different pharmacological profile from drinks containing caffeine alone.
The main challenge in developing products in this category is that cognitive outcomes span several domains and need measurement tools that match the claim to be substantiated. Results shown for one formula cannot be used for another. Choosing endpoints and assessment tools that match the claim is therefore at the heart of a good clinical study design.
The clinical study process with VISBIO and partner clinical research sites
Every study follows GCP and takes into account the particular nature of memory and focus outcomes, which rely mainly on assessments completed by the volunteers themselves. VISBIO designs the study and manages it from planning through to delivery of the report, while volunteers are recruited and cared for by the physicians and investigators of the research site responsible for the study.
Step 1: Consultation and protocol design
VISBIO analyzes the product’s characteristics, the outcomes the company wants to claim and the product’s objectives together with the investigators of the partner research site to define a suitable study plan, including the choice of a primary endpoint for cognitive performance and focus. This step covers volunteer inclusion/exclusion criteria that suit the claim and a sample size estimation that gives adequate statistical power.
Step 2: Approval from a human research ethics committee
Before any data are collected, the protocol and the informed consent documents must be approved by a human research ethics committee (Institutional Review Board, IRB) in every case. VISBIO coordinates the preparation of the complete document set with the site’s investigators and follows up on the revisions requested by the committee until approval is granted.
Step 3: Volunteer recruitment and screening
Once approval is granted, the research site responsible for the study recruits and screens volunteers according to the criteria in the protocol. The site’s physicians and investigators make sure that every volunteer receives complete information, gives written informed consent and passes health screening before joining the study. VISBIO coordinates schedules and project readiness between the sponsor and the research site.
Step 4: Study conduct and data collection
Volunteers receive the product, and data are collected at the time points set in the protocol using patient-reported outcome measures (PROMs) of memory and concentration, together with a daily diary and adverse event recording throughout the study. The site’s investigators safeguard volunteer safety, while VISBIO, as project manager, monitors progress and data completeness.
Step 5: Data analysis and reporting
All data are analyzed statistically according to the statistical analysis plan (SAP) set at the design stage and summarized in a full scientific report in an internationally used format. VISBIO coordinates the analysis and delivers the report to the sponsor. The report supports product development and evidence-based communication.
Dietary supplements suited to clinical evaluation
This service is designed for dietary supplements in various formats that aim to communicate benefits related to memory and focus. Examples of suitable ingredient types include:
| Ingredient type | Product format |
|---|---|
| Bacopa (Bacopa monnieri) | Capsules, powders, sachets |
| Lion’s mane mushroom, or yamabushitake (Hericium erinaceus) | Capsules, powders |
| L-theanine | Capsules, tablets |
| Phosphatidylserine (PS) | Capsules, powders |
| Combination formulas (nootropic complex) | Capsules, powders, ready-to-drink (RTD) beverages |
The examples in the table are ingredient types found in the dietary supplement market. Each ingredient used in products sold in Thailand must meet Thai FDA requirements, and some ingredients require a safety assessment before an application is filed. Some markets permit ingredients such as citicoline (CDP-choline) and caffeine in dietary supplements under local regulations; study designs follow the rules of the target market.
Business benefits of clinical studies
Clinical study evidence is not just a regulatory document. It is a strategic asset that owners of memory and focus brands can use to create value in several ways.
Premium product positioning
Memory and focus supplements backed by clinical study data can be positioned in the premium segment on a reasoned and credible basis. In a market with many similar products, where brain-related claims are often questioned, outcomes actually measured in the product group compared with a control group give the product’s value proposition a factual basis.
Negotiating with modern trade and e-commerce channels
Many e-commerce platforms and modern trade buyers request supporting scientific documents for health products in the brain function category. A clinical study report prepared under GCP is an important document that makes negotiations and listing in these channels smoother, and it gives an advantage over competitors without such data.
Reducing legal risk and expanding into export markets
Cognitive performance claims backed by clinical study evidence reduce the risk that advertising will be considered exaggerated under the Food Act B.E. 2522 (1979). In addition, many export markets, such as the European Union, Japan and ASEAN, require claim substantiation before a product goes on sale. A study designed and reported in line with international practice is therefore an important part of preparing to enter these markets, although each country has its own requirements.
Using scientific data in communication
Data actually measured in a clinical study can be used across several communication channels, including digital media, product labels and point-of-sale materials. Any use in advertising must first obtain advertising approval from the Thai FDA as required by law.
Conditions before a study starts
- Dietary supplements sold in Thailand must be approved by the Thai FDA and hold a food serial number (Thai FDA number) before the study starts. For products from international sponsors, VISBIO assesses the legal requirements with the research site on a project-by-project basis.
- VISBIO and the research site design the study plan specifically for each product and its claims.
- Every study must be approved by a human research ethics committee before it starts, without exception.
From laboratory testing to studies in volunteers
For brands that want to build evidence at every level, VISBIO supports laboratory work such as acetylcholinesterase (AChE) inhibition testing, antioxidant activity testing and cell-based (in vitro) efficacy testing, through to clinical studies in volunteers. Laboratory data help select extracts and explain mechanisms before studies in people begin. GCP applies to studies in humans, while laboratory work follows the test method of each assay. Planning every level of evidence with a single coordinator keeps the data at each stage consistent and free of gaps. Clinical trial services for other dietary supplements are described on the knee health supplement clinical trial page.
Frequently asked questions about brain supplement clinical trials
How are brain supplements measured in a clinical study?
Volunteers complete assessments of memory and concentration, together with a daily diary. The assessments are chosen to match the claim and are completed at the time points set in the protocol, and the product group is compared with a placebo group, together with adverse event recording throughout the study.
Can results from another formula or another extract source be used instead?
No. Results shown for one formula cannot be used for another, so each study must be designed specifically for the product and its claims.
How strong is the clinical evidence for bacopa?
A double-blind study in healthy adults found that 12 weeks of bacopa extract improved learning rate and the consolidation of newly learned information, and a systematic review of six studies concluded that there is some evidence for memory free recall, while evidence for other areas of cognitive performance is still limited.
Does a product with a Thai FDA number still need clinical data?
The Thai FDA number for a dietary supplement is based mainly on an assessment of safety and quality. It does not confirm that the product has the stated effect on memory or focus. If you want to communicate such benefits, clinical data provide supporting evidence, and advertising must still comply with food law.
What is VISBIO’s role, and who looks after the volunteers?
VISBIO designs the study and provides project management and coordination with a network of partner clinical research sites and hospitals. Volunteers are recruited and cared for by the physicians and investigators of the site responsible for the study.
Do study results guarantee advertising approval?
No. Study results support product development and evidence-based communication. Use on labels or in advertising must comply with the law and obtain approval from the relevant authorities where the law requires it. VISBIO does not guarantee study outcomes or regulatory decisions.
Talk to VISBIO about your clinical study
If you are interested in a clinical trial for your memory or focus supplement, contact VISBIO for a free initial consultation through the following channels:
- Contact form: https://visbio.co.th/en/contact-us/
- LINE Official Account: @visbio
- Email: service@visbio.co.th
- Phone: 098-635-4197 (+66 98 635 4197)
- Timeline: please ask our team directly.
See all clinical trial services on VISBIO’s clinical trial page.
Important information about clinical studies
- VISBIO’s role: VISBIO designs studies and provides project management and project coordination with a network of partner clinical research sites and hospitals, for sponsors in Thailand and abroad. Volunteers are recruited and cared for by the physicians and investigators of the site responsible for the study.
- Research ethics: Every study in humans starts only after approval by a human research ethics committee and is conducted in line with Good Clinical Practice (GCP). All volunteers give informed consent after receiving complete information.
- Drugs and herbal medicines: Studies must follow the requirements of the Thai Food and Drug Administration (Thai FDA) that apply to the product. The sponsor, the research site and VISBIO plan these steps together from the start of the project.
- Use of results: Study results support product development and evidence-based communication. Use on labels or in advertising must comply with the law for each product type, with approval from the relevant authorities where the law requires it. VISBIO does not guarantee study outcomes or regulatory decisions.
- Foods and dietary supplements: Study results are not a claim that a product diagnoses, treats, cures, mitigates or prevents any disease.
- Timeline: This depends on the study design and the approval process. Please ask our team directly.
References:
- Haskell, C. F., Kennedy, D. O., Milne, A. L., Wesnes, K. A., & Scholey, A. B. (2008). The effects of L-theanine, caffeine and their combination on cognition and mood. Biological Psychology, 77(2), 113–122. https://doi.org/10.1016/j.biopsycho.2007.09.008
- Pase, M. P., Kean, J., Sarris, J., Neale, C., Scholey, A. B., & Stough, C. (2012). The cognitive-enhancing effects of Bacopa monnieri: A systematic review of randomized, controlled human clinical trials. Journal of Alternative and Complementary Medicine, 18(7), 647–652. https://doi.org/10.1089/acm.2011.0367
- Stough, C., Lloyd, J., Clarke, J., Downey, L. A., Hutchison, C. W., Rodgers, T., & Nathan, P. J. (2001). The chronic effects of an extract of Bacopa monniera (Brahmi) on cognitive function in healthy human subjects. Psychopharmacology, 156(4), 481–484. https://doi.org/10.1007/s002130100815