Which CoQ10 supplement works best? new study aims to find out

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 18 to 60 years of age, inclusive 2. BMI between 18.5 to 29.9 Kg/m3, inclusive 3. 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 4. Willingness to complete questionnaires and diaries associated with the study and complete all study requirements 5. Agrees to maintain current lifestyle (diet, physical activity, medications, supplements, and sleep) as much as possible within study specific requirements throughout the study 6. Provided voluntary, written, informed consent to participate in the study 7. Healthy as determined by medical history and laboratory results as assessed by the Qualified Investigator (QI) Exclusion Criteria: 1. Individuals who are pregnant, breast feeding, or planning to become pregnant during the study 2. Poor venous access, as assessed by the QI 3. Allergy, sensitivity, intolerance, or dietary restriction preventing consumption of investigational products or comparator ingredients or inability to consume the standardized meals 4. Following a specific diet (e.g. vegetarian, carnivore, paleo, vegan, etc.…) 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 8. Type I or Type II diabetes 9. 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 10. History of or current diagnosis with kidney 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 11. 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 12. 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 13. 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 14. Individuals with an autoimmune disease or are immune compromised as assessed by the QI 15. Self-reported confirmation of a HIV-, Hepatitis B- and/or C-positive diagnosis as assessed by the QI 16. Self-reported confirmation of blood/bleeding disorders as assessed by the QI 17. Use of prescribed cannabinoid products 18. Chronic use of cannabinoid products (\>2 times/week). Occasional users will be required to washout and abstain for the duration of the study period 19. Regular use of tobacco or nicotine products in the past six months, as assessed by the QI. 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. Significant blood loss or blood donation totaling between 101 mL to 449 mL of blood within 30 days prior to Visit 2 or a blood donation of more than 450 mL within 56 days prior to Visit 2 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