Digestive Health
By Dr. David Taylor, MD, PhD · 10 articles
Digestive products split into fast relief and slow change. Antacids, laxatives, stool softeners and enemas are for an episode of heartburn or constipation. Each works in a different way, which decides how fast it acts and how long it is safe to use. Fiber and probiotics work over weeks, and their value depends on the type of fiber and the specific probiotic strains on the label.
The constipation and heartburn reviews come first, followed by probiotics. The iron constipation guide is here because iron supplements are a common and fixable cause. Needing a laxative or antacid most days is worth a conversation with your doctor. Blood in the stool, black stools, unexplained weight loss, trouble swallowing or a lasting change in bowel habits needs a medical checkup.
Constipation & Heartburn Relief
7 Best Laxatives of 2026
OTC laxatives compared by mechanism, onset and safety: osmotic, stimulant, fiber and stool softeners, with picks for pregnancy, seniors and fast relief.
7 products reviewed · Updated Oct 18, 2026
7 Best Antacids of 2026
The best OTC antacids for heartburn, reflux and GERD: calcium carbonate, famotidine, omeprazole and liquids compared by speed of relief, duration and safety.
7 products reviewed · Updated Sep 17, 2026
7 Best Enema Kits of 2026
Enema kits for home use: reusable bags, bulbs, disposable kits and coffee enema kits compared for constipation relief, with a physician's safety guidance.
7 products reviewed · Updated Nov 9, 2026
7 Best Stool Softeners of 2026
Stool softeners compared by mechanism, onset, cost per dose and daily-use safety, with picks for pregnancy, postpartum recovery and older adults.
7 products reviewed · Updated Oct 18, 2026
7 Best Fiber Supplements of 2026
Fiber supplements compared: psyllium vs wheat dextrin, IBS and SIBO cautions, drug-timing rules and how to ramp up the dose. Metamucil tops our list.
7 products reviewed · Updated Nov 9, 2026
Iron Supplements and Constipation: How to Prevent It
Why iron supplements cause constipation and how to prevent it: alternate-day dosing, the gentlest iron forms, timing rules, and what to do if you're backed up.
Guide · Updated Aug 12, 2026
Probiotics & Gut Flora
7 Best Probiotics of 2026
Probiotics for bloating, IBS, diarrhea, gas and constipation, compared by CFU count, strains, delivery system and clinical evidence. A physician's picks.
7 products reviewed · Updated Oct 11, 2026
Best Probiotics for Women of 2026
Probiotics for women compared by CFU, named strains, delivery capsule and honest tolerance data. Physician's CHOICE tops our 12 picks for 2026.
12 products reviewed · Updated Oct 31, 2026
Best Probiotics for Kids of 2026
Probiotics for kids compared by pediatric strain, CFU, age range and format, for constipation, diarrhea after antibiotics, immunity and toddlers.
11 products reviewed · Updated Oct 16, 2026
Probiotics vs Prebiotics: What's the Difference?
Probiotics are live bacteria; prebiotics are the fibers that feed them. An MD compares strains, food sources, dosing and who should avoid each.
Guide · Updated Nov 9, 2026