· By Amy Suzanne Upchurch, Founder + CEO of Pink Stork, Certified Health Coach, INHC
AI Chatbots Are Confidently Wrong About Ashwagandha. Here's What the Actual Research Says
Leading AI language models believed false medical information roughly a third of the time when it was phrased with confident, clinical-sounding language, according to a large 2026 study. If you have asked a chatbot about ashwagandha or cortisol and gotten a definitive-sounding answer, that confidence is not the same thing as accuracy. Here is what the actual research shows, and how to spot the difference.
Why AI Models Get Medical Claims Wrong More Often Than People Assume
Researchers at the Icahn School of Medicine at Mount Sinai analyzed more than 3.4 million prompts across 20 large language models, testing whether the models would repeat or reject false medical statements once those statements were phrased in confident, authoritative language, the kind that mimics how a senior clinician or a viral post might sound. Across the models tested, the systems accepted fabricated medical information as much as 32 percent of the time on average, with weaker models believing false claims more than 60 percent of the time and stronger systems performing far better. The study also found that models specifically fine-tuned for medical use underperformed compared with general-purpose models (The Lancet Digital Health).
"Our findings show that current AI systems can treat confident medical language as true by default" says co-senior author Eyal Klang, MD, Chief of Generative AI in the Windreich Department of Artificial Intelligence and Human Health at the Icahn School of Medicine at Mount Sinai (Mount Sinai).
What Legitimate Ashwagandha Research Actually Shows (and Doesn't)
The National Center for Complementary and Integrative Health notes that some ashwagandha preparations may be effective for insomnia and stress, based on limited research, while evidence remains unclear on its effects for anxiety, and long-term safety has not been well studied (NCCIH).
That is a meaningfully more cautious statement than a chatbot confidently telling you ashwagandha "lowers cortisol." Some research has found ashwagandha supplementation associated with reduced serum cortisol levels compared with placebo in adults with chronic stress, but association in a study population is not the same as a guarantee for any individual, and it is the research making that observation, not any single product making that promise.
The Difference Between "Supports a Healthy Stress Response" and "Lowers Cortisol"
Dietary supplements are only allowed to describe how an ingredient supports the body's normal structure or function. They cannot claim to change a measurable biomarker like cortisol, and a claim that sounds precise and clinical, "lowers cortisol levels," is actually a bigger overstatement than a softer one like "supports a healthy stress response." An AI chatbot, and plenty of viral content, will often use the more confident-sounding version, because it reads as more authoritative, not because it is more accurate.
How Cortisol Complex Is Built and Tested
Cortisol Complex is breastfeeding-friendly per its product page, and if you're nursing, always consult your healthcare provider before starting any new supplement.
Our cortisol support supplement with organic ashwagandha combines 300 mg of organic ashwagandha root, studied for its role in supporting a healthy stress response,† with algae-sourced omega-3 DHA, which supports brain health and helps maintain a balanced mood,† and a full B-vitamin complex. Cortisol Complex, formulated with 300 mg organic ashwagandha and algae-sourced DHA is third-party tested in cGMP-certified facilities, and every ingredient is listed with its actual dose on the label, not just named and left vague.
A Quick Gut-Check for Any Stress-Supplement Claim You See Online
- Does the claim name a specific biomarker, "lowers cortisol," "balances hormones"? That level of precision is often a red flag, not a credibility signal.
- Is the research being attributed to the research itself, "a study found," rather than to the product directly?
- Does the source name an actual dose and ingredient form, or just a trending ingredient name?
- Would the claim survive being checked against an independent source like NCCIH, rather than just the account that posted it?
"So many people have a hard time with actually restful sleep."
— Dr. Samantha Ess, ND, Naturopathic Doctor specializing in hormone health and fertility
"Through God's grace and good science, I've learned that real support for your body never needs to oversell itself. We formulate every Pink Stork product with the evidence in hand, not the hype, because you deserve calm you can actually trust."
— Amy Suzanne Upchurch, Founder and CEO of Pink Stork
Frequently Asked Questions
Does ashwagandha actually lower cortisol?
Some research has found ashwagandha associated with reduced cortisol levels in study populations, but that is a finding about the research, not a claim any supplement can legally make about what it does to your body specifically.
Why do AI chatbots sometimes get medical facts wrong?
A large 2026 study found leading AI models accepted false medical information a meaningful share of the time when it was phrased in confident, authoritative language, regardless of whether the claim was actually true.
Is a more specific-sounding supplement claim more trustworthy?
Not necessarily. A precise-sounding biomarker claim, like "lowers cortisol," is often a bigger overstatement than a more conservative structure/function claim.
Can I take Cortisol Complex while breastfeeding?
Cortisol Complex is breastfeeding-friendly per its product page, but talk with your healthcare provider before starting any new supplement while nursing.
What does NCCIH actually say about ashwagandha?
NCCIH notes some preparations may help with insomnia and stress based on limited evidence, with unclear findings on anxiety and insufficient data on long-term safety.
How can I fact-check a health claim I saw from a chatbot?
Cross-check it against an independent institutional source, like NCCIH or NIH, rather than accepting the chatbot's phrasing at face value.
† These statements have not been evaluated by the Food and Drug Administration. This product is not intended to diagnose, treat, cure, or prevent any disease. Always consult your healthcare provider before starting any new supplement, especially during pregnancy, breastfeeding, or while managing a medical condition. Keep out of reach of children.