Supplements
Electrolyte powders, probiotics, and dietary supplements
Essential Vitamins and Supplements for Seniors
An MD's evidence-based guide to the vitamins and supplements that actually matter after 60 — B12, vitamin D, calcium, magnesium, omega-3, protein, and more — with senior RDAs, drug interactions, and what you can skip.
0 products reviewed · Updated Jul 22, 2026
10 Best Vitamin K2 Supplements of 2026
Dr. David Taylor reviews the best vitamin K2 supplements of 2026. Compare MK-7 vs MK-4, all-trans MenaQ7 purity, D3+K2 combos, and the clinical bone dose for osteoporosis.
10 products reviewed · Updated Jul 16, 2026
9 Best Protein Powders for Seniors of 2026
Dr. David Taylor reviews the best protein powders for seniors in 2026 — physician-vetted picks for muscle preservation, easy digestion, diabetes, plant-based diets, and appetite loss, with dose and safety guidance.
9 products reviewed · Updated Jul 9, 2026
Supplements for Joint Health: What the Research Says
An MD's evidence-based review of glucosamine, chondroitin, turmeric, omega-3, collagen, boswellia, MSM, SAMe, and vitamin D for joint pain — what the trials actually show, dosages, and drug interactions.
0 products reviewed · Updated May 12, 2026
7 Best Biotin Supplements of 2026
Dr. David Taylor reviews the 7 best biotin supplements of 2026. Honest doctor's take on dosing, lab test interference, who actually needs biotin, and our top picks.
7 products reviewed · Updated Jul 29, 2026
7 Best CoQ10 Supplements of 2026
Dr. David Taylor reviews the best CoQ10 supplements of 2026. Compare ubiquinone vs ubiquinol, statin support, dose, absorption, and third-party certifications.
7 products reviewed · Updated Jul 29, 2026
7 Best Ashwagandha Supplements of 2026
Dr. David Taylor reviews the best ashwagandha supplements of 2026. Compare KSM-66, Sensoril, organic, and gummy formulas by withanolide content, dose, and clinical evidence.
7 products reviewed · Updated Jul 28, 2026
7 Best Zinc Supplements of 2026
Dr. David Taylor reviews the best zinc supplements of 2026. Compare picolinate, bisglycinate, gluconate, and lozenges by bioavailability, dose, and copper balance.
7 products reviewed · Updated Jul 26, 2026
7 Best Prenatal Vitamins of 2026
Dr. David Taylor reviews the best prenatal vitamins of 2026. Compare methylfolate vs folic acid, chelated iron, DHA, and third-party tested picks for every stage.
7 products reviewed · Updated Jul 23, 2026
7 Best Fiber Supplements of 2026
Dr. David Taylor, MD, reviews the best fiber supplements of 2026 — psyllium vs wheat dextrin, IBS/SIBO cautions, drug-timing rules, and dose ramp-up.
7 products reviewed · Updated Jun 30, 2026
Probiotics vs Prebiotics: An MD's Guide to Understanding the Difference
Dr. David Taylor explains the difference between probiotics and prebiotics — how each works, food sources, health benefits, supplement guidance, and who should avoid them.
0 products reviewed · Updated Apr 14, 2026
8 Best Melatonin Supplements of 2026
Dr. David Taylor reviews the best melatonin supplements of 2026 — USP-verified tablets, gummies, fast-dissolve, extended-release, and clinical-grade capsules matched to your exact sleep need.
8 products reviewed · Updated Jul 19, 2026
Melatonin vs Magnesium for Sleep: An MD's Evidence-Based Comparison
Dr. David Taylor compares melatonin and magnesium for sleep — how each works, clinical evidence, dosing, side effects, drug interactions, and how to choose the right one for your sleep issue.
0 products reviewed · Updated Apr 10, 2026
7 Best Calcium Supplements of 2026
Dr. David Taylor reviews the best calcium supplements of 2026. Compare calcium carbonate vs citrate, tablet vs gummy vs liquid, and USP vs non-certified options for bone health.
7 products reviewed · Updated Jul 16, 2026
7 Best Iron Supplements of 2026
Dr. David Taylor reviews the best iron supplements of 2026. Compare ferrous sulfate vs iron bisglycinate, tablets vs liquids vs gummies, and USP vs NSF-certified options.
7 products reviewed · Updated Jul 16, 2026
8 Best Collagen Supplements of 2026
Dr. David Taylor reviews the best collagen supplements of 2026. Compare top-rated powders, capsules, liquids, and gummies by collagen type, source, dose, and third-party testing.
8 products reviewed · Updated Jul 16, 2026
7 Best B12 Supplements of 2026
Dr. David Taylor reviews the best B12 supplements of 2026. Compare methylcobalamin vs cyanocobalamin, sublingual vs capsule, and USP vs NSF-certified options.
7 products reviewed · Updated Jun 30, 2026
8 Best Multivitamins for Women of 2026
Dr. David Taylor reviews the best multivitamins for women of 2026. Compare gummies, tablets, and whole-food capsules by iron content, folate form, and age-appropriateness.
8 products reviewed · Updated Jul 15, 2026
7 Best Turmeric Supplements of 2026
Dr. David Taylor, MD, reviews the best turmeric supplements on Amazon. Compare top-rated curcumin formulas by dose, bioavailability, form, and third-party testing for joint and inflammation support.
7 products reviewed · Updated Jul 15, 2026
7 Best Probiotics of 2026
Dr. David Taylor reviews the best probiotics on Amazon. Compare top-rated supplements by CFU count, strain diversity, delivery system, and clinical evidence.
7 products reviewed · Updated Jun 26, 2026
7 Best Electrolyte Powders of 2026
Dr. David Taylor reviews the best electrolyte powders of 2026. Compare top-rated brands by sodium dose, sugar content, and use case for sports, keto, and illness recovery.
7 products reviewed · Updated Jun 25, 2026