Question: what is the best fiber supplement for seniors?
Answer: Metamucil — Best Fiber Supplement for Women Over 50. ... 
Vital Nutrients Whole Fiber Fusion — Best Fiber Supplement for Constipation. ... 
Chia Seed Oil — Best Fiber Supplement for Weight Loss. ... 
Heather's Tummy Fiber Acacia Senegal — Best Fiber Supplement for IBS. ... 
Renew Life Fiber Smart — Best Fiber Supplement for Diarrhea.