optiml Logo
Supplement

Consider a high-quality multivitamin

Description

Fill nutritional gaps & support optimal health with a targeted multivitamin. 90% of Americans lack key nutrients-boost energy, immunity & brain function daily.

Why we recommend this

  • Research published in the Journal of Nutrition found that more than 90% of Americans have at least one nutrient deficiency, with magnesium, vitamin D, and vitamin E being most common
  • Dr. Rhonda Patrick advocates for multivitamins containing active forms of B vitamins (methylfolate instead of folic acid, methylcobalamin instead of cyanocobalamin) which are more bioavailable for those with common genetic variations
  • A meta-analysis in the Journal of the American Medical Association involving 91,000+ participants found that multivitamin supplementation was associated with reduced cancer risk and all-cause mortality
  • The Physicians' Health Study II, a randomised controlled trial following 14,641 male doctors for 11 years, found that daily multivitamin use reduced total cancer incidence by 8%
  • Dr. Walter Willett of Harvard School of Public Health explains that modern food production, storage, and preparation deplete nutrient content in foods, making supplementation beneficial even with a balanced diet

Usage

One daily dose, divided if specified on label (larger tablets may contain 2-3 servings)

Timing

With a meal containing fat for optimal absorption of fat-soluble vitamins; morning or midday to avoid B-vitamin interference with sleep

Important notes

  • Look for multivitamins free from artificial colours, fillers, and excessive additives; third-party testing (USP, NSF or ConsumerLab verification) ensures quality and accuracy
  • High-potency multivitamins may exceed Upper Tolerable Intake Levels for certain nutrients - choose formulations with nutrients at 100-300% of Daily Value for most components
  • Multivitamins are not a substitute for a nutrient-dense diet; focus on whole foods first and use supplements to fill specific gaps
  • Certain medications interact with multivitamins: thyroid medications, antibiotics, and blood thinners - separate timing by at least 2-4 hours
  • Dr. Tieraona Low Dog recommends gender-specific and age-specific formulations to match different nutritional needs (e.g., premenopausal women need more iron, while men and postmenopausal women typically need less)
  • For those with digestive issues, consider liquid or capsule formulations rather than tablets, which may not dissolve completely