Best Alkaline Herbs for Colon Detoxification found in our Colon Supplement link in bio: Cascara Sagrada – Natural laxative that promotes elimination & relieves constipation. Rhubarb Root – Aids digestion, reduces inflammation & supports regularity. Ginger Root – Eases bloating, stimulates digestion & supports gut motility. Blessed Thistle – Boosts liver function, aids digestion & reduces inflammation.