Enzyme pills tested for brain boost – do they work?

Copied word for word from the study's registry entry, so the wording is the study team's rather than ours.

Inclusion Criteria: 1. Males and females between 30 and 79 years of age inclusive 2. Females not of child-bearing potential, defined as those who have undergone a sterilization procedure (e.g. hysterectomy, bilateral oophorectomy, bilateral tubal ligation, complete endometrial ablation) or have been post-menopausal for at least 1 year prior to screening Or, Individuals of child-bearing potential must have a negative baseline urine pregnancy test and agree to use a medically approved method of birth control for the duration of the study. All hormonal birth control must have been in use for a minimum of three months. Acceptable methods of birth control include: * Hormonal contraceptives including oral contraceptives, hormone birth control patch (Ortho Evra), vaginal contraceptive ring (NuvaRing), injectable contraceptives (Depo-Provera, Lunelle), or hormone implant (Norplant System) * Double-barrier method * Intrauterine devices * Non-heterosexual lifestyle and agrees to use contraception if planning on changing to heterosexual partner(s) * Vasectomy of partner at least 6 months prior to screening * Abstinence and agrees to use contraception if planning on becoming sexually active during the study 3. Individuals with self-reported memory problems as assessed by a combination score of ≥ 6 on Everyday Memory Questionnaire (EMQ) questions 1, 2 and 18 at screening 4. Absence of dementia or other significant cognitive impairment as assessed by Mini Mental State Examination - 2 Standard Version (MMSE-2) score ≥ 24 5. Agrees to avoid high sources of caffeine (e.g., supplements, tea, coffee, energy drinks) and alcohol consumption for 24 hours prior to in-clinic visits 6. Agrees to avoid first generation anti-allergy medication for 48 hours prior to in-clinic visits 7. Willingness to complete questionnaires, records and diaries associated with the study and to complete all clinic visits 8. Agrees to maintain current lifestyle habits (diet, physical activity, medications, supplements, smoking and sleep) as much as possible throughout the study 9. Provided voluntary, written, informed consent to participate in the study 10. Healthy as determined by medical history and laboratory results as assessed by Qualified Investigator (QI) Exclusion Criteria: 1. Individuals who are pregnant, breast feeding, or planning to become pregnant during the study 2. Allergy, sensitivity, intolerance, or dietary restriction preventing consumption of investigational product or placebo ingredients 3. Self-reported confirmation of any significant neuropsychological condition and/or cognitive impairment (e.g., Schizophrenia, bipolar disorder, post-traumatic stress disorder, brain injury, stroke, neurodegenerative disease, infections, insomnia, depression, epileptic or other seizure-related disorders) that could interfere with study participation as assessed by the QI 4. Self-reported color blindness/weakness as assessed by the QI 5. Unstable metabolic disease or chronic diseases as assessed by the QI 6. Current or history of any significant diseases of the gastrointestinal tract as assessed by the QI 7. Unstable hypertension. Treatment on a stable dose of medication for at least 3 months will be considered by the QI (See Section 7.3) 8. Type I diabetes 9. Type II diabetes if on insulin treatment. Type II diabetics on stable medication for at least three months and an HbA1c of \<8.0% may be included after assessment by the QI on a case-by-case basis 10. Significant cardiovascular event in the past 6 months. Participants with no significant cardiovascular event on stable medication may be included after assessment by the QI on a case-by-case basis 11. History of or current diagnosis with kidney, pancreatic, and/or liver diseases as assessed by the QI on a case-by-case basis, with the exception of history of kidney stones in participants who are symptom free for 6 months 12. Self-reported confirmation of current or pre-existing thyroid condition. Treatment on a stable dose of medication for at least 3 months will be considered by the QI 13. Major surgery in the past 3 months or individuals who have planned surgery during the course of the study. Participants with minor surgery will be considered on a case-by-case basis by the QI 14. Cancer, except skin basal cell carcinoma completely excised with no chemotherapy or radiation with a follow up that is negative. Volunteers with cancer in full remission for more than five years after diagnosis are acceptable 15. Individuals with an autoimmune disease or are immune compromised 16. Self-reported confirmation of a HIV-, Hepatitis B- and/or C-positive diagnosis as assessed by the QI 17. Self-reported confirmation of blood/bleeding disorders as assessed by the QI 18. Use of medical cannabinoid products 19. Chronic use of cannabinoid products (\>2 times/week). Occasional users will be required to washout and abstain for the duration of the study period 20. Alcohol intake average of \>2 standard drinks per day as assessed by the QI 21. Alcohol or drug abuse within the last 12 months 22. Current use of prescribed and/or over-the-counter (OTC) medications, supplements, and/or consumption of food/drinks that may impact the efficacy and/or safety of the investigational product (Sections 7.3.1 and 7.3.2) 23. Clinically significant abnormal laboratory results at screening as assessed by the QI 24. Blood donation 30 days prior to baseline, during the study, or a planned donation within 30 days of the last study visit 25. Participation in other clinical research studies 30 days prior to baseline, as assessed by the QI 26. Individuals who are unable to give informed consent 27. Any other condition or lifestyle factor, that, in the opinion of the QI, may adversely affect the participant's ability to complete the study or its measures or pose significant risk to the participant