Short answer: Memory problems that are getting worse, difficulty with familiar tasks, confusion about time or place, changes in personality or judgement, or memory loss that other people have noticed before you did — these warrant proper assessment.
Why this list of specific warning signs matters
Naming five specific, concrete symptoms gives you something checkable, rather than a vague "if symptoms are severe" caution.
Why the site frames self-treatment as the actual risk
A supplement is not the right first response, and delaying assessment is the real risk — a direct, unusually candid statement prioritizing your health over a sale.
⚠️ Worth knowing: if you are experiencing any of these signs, please arrange a medical assessment rather than self-treating.