Well, you would need more urination for clearing the supplements. The B's and C often cause increased urine output and that is normal.

Increased urination, also comes from glucose problems. Diabetes... and fatigue is a huge early symptom too.

What is very alarming is when urination gets LESS... this is reflective of worsening kidney functions.

So it might be a good idea to get a free glucometer and test yourself during the day and night. You might find your answers there. Keep a log to show fasting morning, 1.5 hr after breakfast (keep track of carbs), before and after lunch, after dinner, before bedtime. One Touch is the one I use because the strips are not affected by others sugars you consume or dextrins which are commonly in foods today. The other Glucometers use a different chemical system which may give false highs. One Touch may read high after high Vit C consumption, high aspirin, or gout, but it only measures glucose.