Total bilirubin- 4.5 direct bilirubin- 0.3. Is this ok? Liver functioning all normal other than that

Gilbert's syndrome. Yes. This is very consistent with gilbert's. In the us, approximately 3-7% of the population has gilbert's. Typically patients with gilbert's will have a total bilirubin <6 (like you). It can fluctuate and worsen during times of illness, stress or dehydration. It will not negatively affect your health.