Introduction
Knowing how to choose a supplement brand protects your money and your health more than any single ingredient on a label ever will. Most people buy supplements on trust, yet few can say where that trust came from or whether it was earned. Marketing fills that gap with urgency, testimonials, and confident claims that nobody checked. Here I explain how supplements are regulated, what researchers found in products bought off the shelf, and which red flags deserve your attention. I also hold my own company to the same standard, including the parts that do not flatter it.
Are Supplements Regulated by the FDA? A Closer Look
The most common misconception I hear runs in two opposite directions at once. Some people believe supplements are not regulated at all, and others believe every bottle was approved by the government. Both beliefs are wrong, and each one makes a buyer easier to mislead.
Under the Dietary Supplement Health and Education Act of 1994 (DSHEA), supplements are regulated as a category of food rather than as drugs. A recent review in the Journal of the International Society of Sports Nutrition described the division of labor plainly (Antonio et al., 2025). The Food and Drug Administration (FDA) oversees labels and labeling, and the Federal Trade Commission (FTC) oversees advertising. The FDA can also act against products that are adulterated (i.e., contaminated or containing an unlawful ingredient) or misbranded (i.e., labeled falsely or misleadingly).
So, are supplements FDA approved? In general they are not, and a supplement does not need FDA approval before it reaches a store shelf (Antonio et al., 2025). The main exception is a new dietary ingredient, which needs a history in the food supply or a notification filed with the FDA. Any label or advertisement implying that the FDA approved a supplement is therefore a red flag in its own right.
Critics argue that this system acts mostly after a problem has already reached consumers. In a policy analysis in the American Journal of Public Health, Starr (2015) contended that federal oversight of supplements arrives too little and too late. Defenders and critics of the system agree on one practical point, which is that much of the burden of judgment falls on you. That is why the rest of this article focuses on how to choose a supplement brand using evidence you can check yourself.
What Researchers Found When They Studied Supplement Scams
Supplement scams are not a matter of opinion. Analytical chemists and regulators have documented them in peer-reviewed research for more than a decade. The studies below examined products rather than people, so they tell you what was in the bottle, not what it did to anyone.
Tucker and colleagues reviewed FDA warnings issued between 2007 and 2016 about supplements containing undeclared pharmaceutical ingredients (Tucker et al., 2018). They identified 776 adulterated products from 146 companies in that warning database. Most of those products were marketed for sexual enhancement, weight loss, or muscle building. The hidden drugs found most often were sildenafil, sibutramine, and synthetic steroids, none of which appeared on the labels.
A recall does not always end the problem either. Cohen and colleagues purchased 27 supplements after the FDA had recalled them for containing banned drugs (Cohen et al., 2014). Two-thirds of those recalled products still contained a pharmaceutical drug when the researchers tested them. A recall notice, in other words, did not mean that the product on the shelf had changed.
Mislabeling extends well beyond hidden drugs. Crawford and colleagues analyzed 30 supplements marketed to support or boost the immune system, all purchased on Amazon in May 2021 (Crawford et al., 2022). Only 13 of those 30 labels accurately reflected what the laboratory detected. Thirteen of the products were missing at least one listed ingredient, and nine contained substances their labels never mentioned.
Products marketed for cognition have shown the same pattern, which I documented when I wrote about the best supplements for memory loss. I raise it here for a reason that cuts against my own interest. Brain supplements are not exempt from these findings, and the product I sell is a brain supplement.
Supplement Red Flags in Marketing Claims
Learning how to choose a supplement brand starts with reading the words a company chooses, since they often reveal more than the ingredient list. Federal law allows supplements to make structure/function claims, which describe how a nutrient supports a normal structure or function of the body. A statement that a nutrient supports memory or helps maintain healthy cognition is a structure/function claim. A statement that a product treats or cures a disease is not permitted for a supplement at all.
Disease claims are therefore among the clearest supplement red flags you will ever see. A company willing to break that rule in public has shown you how it handles the rules you cannot see. The FTC applies a separate test to supplement marketing claims, expecting competent and reliable scientific evidence behind any health-related claim (Federal Trade Commission, 2022). That guidance generally looks for controlled human research that matches the product, the dose, and the population behind the claim.
Several other patterns deserve a second look. First, urgency (e.g., countdown timers or warnings that only a few bottles remain) pressures you to buy before you think. Second, a phrase like "clinically proven" means little unless the company names the study, the population, and the dose. Third, absorption multiples usually come from comparisons the reader never sees, which I explain in my article on liposomal curcumin. Fourth, "doctor formulated" tells you nothing about evidence unless you can see the formulator's name and published work.
I apply that last test to myself without exception. My name is on my company, and my published research is a matter of public record that anyone can search and judge. Seven questions I would ask of any brain product, including mine, are collected in before you buy a brain supplement.
Fake Supplement Reviews and Testimonials
Reviews feel like the most honest information on a product page, which is exactly why they are worth faking. He, Hollenbeck, and Proserpio studied a market for fake Amazon reviews arranged through large private Facebook groups (He et al., 2022). Their data covered many product categories on Amazon rather than supplements alone. Buying fake reviews raised a product's average rating and review count on Amazon, but only for a short time.
The more revealing finding came after sellers stopped paying for reviews. Average ratings fell, and the share of one-star reviews rose significantly for those same Amazon products (He et al., 2022). The effect was strongest for newer products, which the authors read as a sign that low-quality products relied on manipulation most. A sudden wave of glowing reviews on a new product is therefore worth reading slowly.
Regulators have since acted on the problem. In 2024, the FTC finalized a rule prohibiting fake reviews, including those that misstate whether the reviewer ever used the product (Federal Trade Commission, 2024). The same rule bars buying reviews that express a particular sentiment and suppressing negative reviews through intimidation. A rule on paper does not clean up a review section overnight, so your own judgment still matters.
Fake supplement reviews tend to share a few features you can learn to spot. They often arrive in clusters, repeat the same phrases, and describe dramatic results without any detail about dose or duration. A testimonial claiming that a supplement cured a condition is both a red flag and a disease claim made by proxy. My own website carries reviews and testimonials, and I encourage you to read them with exactly this skepticism.
Proprietary Blends and Testing: What I Can and Cannot Show You
A proprietary blend lists its ingredients without the amount of each one, and critics fairly call that a loss of transparency. I sell Daily Brain Care as a proprietary blend, and I intend to keep it that way. That formula is the one piece of intellectual property my business holds, and publishing the amounts would let anyone with a manufacturer copy it. I lay out that trade, including its cost to you, when I explain what a proprietary blend is.
What I can show you is independent testing. Swift Labs tests each production lot of my products for heavy metals and microbiology. That laboratory is accredited to ISO/IEC 17025 (i.e., the international standard for testing competence). I hold no stake of any kind in that laboratory, financial or otherwise. A certificate of analysis (COA) is issued for each lot, and I send the redacted COA to any customer who asks.
The limits of that testing deserve equal space. A COA for contaminants does not confirm the amount of each ingredient, and it cannot make any product safe or effective. Everything I sell is third-party tested rather than third-party certified, and I explain that difference in third-party tested supplements. Any company that blurs those two terms in its marketing is showing you another red flag.
My products are manufactured in a cGMP-certified facility, meaning one that follows current Good Manufacturing Practice requirements. Those requirements govern how a product is made, stored, and documented. They do not judge whether a formula works, and I would never present them as if they did.
How to Choose a Supplement Brand: My Own Checklist
Here is how to choose a supplement brand using the same tests I apply to my own company. First, look for structure/function language and treat any disease claim as disqualifying. Second, ask for a COA and read what it actually covers. Third, find the person behind the formula and check whether their research exists outside the company website. Fourth, read the reviews for patterns rather than for praise.
Fifth, notice whether a company ever tells you something that works against its own sales. I will do that here. Daily Brain Care does not supply vitamin B12, and as a plant-based eater I rely on a dedicated B12 supplement for that nutrient. No single product covers everything, and I explain when one nutrient makes more sense than a formula in single vs multi-ingredient supplements.
My standards did not come from a marketing plan. I have eaten a whole-food, plant-based diet since 1999. I have spent decades training drug-free as a bodybuilder, which also showed me a pursuit crowded with products that overpromised. I train daily and use my own products daily, so I have the same stake in their quality that you do. I describe that path in plant-based diet and brain health and in brain health for men over 50.
My academic background shapes how I read every claim, including my own. I am a voluntary Associate Professor in the Department of Family Medicine and Community Health at the University of Miami Miller School of Medicine. I was previously full-time faculty in the Department of Psychiatry and Behavioral Sciences, and you can verify that history yourself on my about page. I built Daily Brain Care from that background, and it deserves the same five tests as anything else you consider.
Conclusion
Learning how to choose a supplement brand comes down to a handful of habits. Remember that supplements are regulated but not approved, and read every claim for language that crosses into drug territory. Treat reviews as evidence to weigh rather than proof, ask for testing, and ask what that testing leaves out. Then apply every one of those tests to my company as well. If my formula passes them for you, I encourage you to explore Daily Brain Care and decide whether it earns a place in your routine.
Frequently Asked Questions
Are supplements FDA approved?
No. Supplements do not need FDA approval before they are sold, although a new dietary ingredient needs prior FDA notification (Antonio et al., 2025). A label or advertisement implying FDA approval is misleading.
What are the biggest supplement red flags?
Disease claims, implied FDA approval, vague "clinically proven" language, pressure tactics, and review patterns that look manufactured are the most common supplement red flags. Any one of them justifies a closer look before you buy.
Who regulates supplement advertising?
The FTC regulates advertising, while the FDA regulates labels and labeling (Antonio et al., 2025). The FTC expects competent and reliable scientific evidence behind health-related claims (Federal Trade Commission, 2022).
What does "clinically proven" mean on a supplement label?
The phrase means only as much as the study behind it. Ask which study, in whom, at what dose, and whether researchers tested the finished product or a single ingredient.
Is a proprietary blend a red flag?
A proprietary blend withholds ingredient amounts, which is a real cost to you. Daily Brain Care is one, so weigh that trade against independent testing, published research, and a company's willingness to answer your questions.
How do I choose a supplement brand I can trust?
Knowing how to choose a supplement brand starts with structure/function language, independent lot testing, a named and verifiable formulator, and reviews without suspicious patterns. Trust is earned by what a company lets you check.
References
Antonio, J., Antonio, B., Aragon, A., Bustillo, E., Candow, D., Collins, R., Davila, E., Durkin, B., Kalman, D., Lockwood, C., Mills, S., & Stout, J. R. (2025). Common questions and misconceptions about dietary supplements and the industry: What does science and the law really say? Journal of the International Society of Sports Nutrition, 22(1), 2534128. https://doi.org/10.1080/15502783.2025.2534128
Cohen, P. A., Maller, G., DeSouza, R., & Neal-Kababick, J. (2014). Presence of banned drugs in dietary supplements following FDA recalls. JAMA, 312(16), 1691. https://doi.org/10.1001/jama.2014.10308
Crawford, C., Avula, B., Lindsey, A. T., Walter, A., Katragunta, K., Khan, I. A., & Deuster, P. A. (2022). Analysis of select dietary supplement products marketed to support or boost the immune system. JAMA Network Open, 5(8), e2226040. https://doi.org/10.1001/jamanetworkopen.2022.26040
Federal Trade Commission. (2022). Health products compliance guidance. https://www.ftc.gov/business-guidance/resources/health-products-compliance-guidance
Federal Trade Commission. (2024). Rule on the use of consumer reviews and testimonials (16 C.F.R. Part 465). https://www.ecfr.gov/current/title-16/chapter-I/subchapter-D/part-465
He, S., Hollenbeck, B., & Proserpio, D. (2022). The market for fake reviews. Marketing Science, 41(5), 896–921. https://doi.org/10.1287/mksc.2022.1353
Starr, R. R. (2015). Too little, too late: Ineffective regulation of dietary supplements in the United States. American Journal of Public Health, 105(3), 478–485. https://doi.org/10.2105/AJPH.2014.302348
Tucker, J., Fischer, T., Upjohn, L., Mazzera, D., & Kumar, M. (2018). Unapproved pharmaceutical ingredients included in dietary supplements associated with US Food and Drug Administration warnings. JAMA Network Open, 1(6), e183337. https://doi.org/10.1001/jamanetworkopen.2018.3337
