I always look pale/yellowish. i usually feel tired. my blood tests don't show major deficiencies. what can i do/take as supplement to gain some color?

Yellowish pale: You need to have a detailed history taken (for example how much carrot juice or V8 do you drink a day? Then have a careful physical exam with a focus on lymph nodes and spleen. Then review these results and decide what is causing the paleness. I would also look at skin color in all of you family as a clue to it might just be your gene pool. Unless you are adopted. Skin color is inherited.

GI Bleeding: I understand your concern about looking pale/yellowish, feeling tired and diarrhea. Have Diagnosis be established : Possible causes at age 23 with your symptoms can be: Iron deficiency or Vitamin B 12 deficiency Anemia GI bleeding Ulcerative Colitis Hepatitis Mononucleosis Dehydration Hypothyroidism See a Gastroenterologist and Internist for Diagnosis Treatment, and any needed supplements.