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I have experienced very bright and/or dark yellow urine after taking vitamins. Some vitamins are more likely to do this than others. I don't know if it's a nutritional thing or a food color thing. I don't know of any medical condition that would cause this if you are not on a vitamin that is doing it.


I do not know What your diet cosists of. In general yellow color of urine is of no cosequence. Sometimes coffee will cause the color change, Drink water as your only beverage for a few days then check the color.


An excess of Riboflavin, also known as Vitamin B2 will be excreted in your urine, giving it a bright yellow color.

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โˆ™ 2010-11-11 16:28:37
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Q: What does it mean if urine is bright yellow?
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Related questions

Does bright yellow urine mean your pregnant?

No. It can mean you're a bit dehydrated

What vitamin makes your urine bright yellow?

Bright Yellow Urine I believe that is the B Vitamins. I took Vitamine E pill, also got bright yellow urine.

If your pee is yellow does it mean that it's dirty?

It can mean one of two things: Dark yellow urine might mean that your urine is concentrated, which means you're dehydrated. Bright yellow urine might just be the result of your daily vitamins.

What does Bright yellow urine and abdomen pain on one side mean?

Go to the doctor.

Does cyanocobalamin make urine bright yellow?

Both cyanocobalamin (a form of vitamin B12) and vitamin B2 can cause bright yellow urine.

What happen if urine comes yellow in color is that a disease?

b vitamins can make the urine bright yellow

What vitamins make urine bright yellow?

The B vitamins and carotene taken in higher amounts than your body uses can make urine bright yellow.

Is yellow urine a sign of pregnancy?

No, yellow urine is a sign of dehydration-drink more water. Also, your urine will be bright yellow if you take a vitamin B supplement (and I think some other medications will make it very dark or bright yellow, too).

What does it mean when bright yellow urine appears on toilet paper?

it probably means you eat way to much salt

You have bright yellow urine and swollen feet what causes this?


Can insulin shots produce bright yellow urine?


Can excess riboflavin cause bright yellow urine?


What does it mean when a dogs urine is bright yellow?

could mean the dog needs MORE water or a more serious problem, call your vet.

What color should urine be during early pregnancy?

Is it bright yellow

Is your cranberry pill making your urine bright yellow?


Is bright yellow urine harmful when taking a multivitamen?

The bright yellow color of urine after taking a multivitamin is harmless. It is caused by the excretion of excess vitamin B12. The water soluble vitamins are excreted through the urine when more is consumed than the body can use.

Why is your urine bright yellow in the morning?

In the morning when urine is a yellowish color, that signifies that the body has not consumed water during the night. If urine remains yellow throughout the day, that is a sign of dehydration.

Does bright yellow urine mean you failed a drug test?

no. bright yellow urine means you are dehydrated. which is a common symptom after you get high, that's why before a drug test u want to drink as many fluids as possible to flush through your system. which usually makes it clear. beer tends to work because it flushes your system quickly. -I have never heard of it meaning you are dehydrated, but I know for a fact it is the vitamin b12 leaving your body that causes the urine to be bright yellow.

What if your urine is a really bright yellow like a highlighter?

This is usually due to taking B and C vitamins, or a multivitamin. The body can only use a small amount, and the rest is excreted in the urine, giving it a bright yellow color.

What could be wrong if you have been drinking only water for over 2 months and your urine is very bright yellow instead of becoming clearer?

Yellow is from protien. Bright yellow is OK. Dark yellow means you need to drink more water. Unless you feel bad somehow you sound OK to me. -------------------- If you are taking any vitamins or some medications, it can make your urine bright yellow.

Why is your urine bright yellow after taking b complex vitamins?

The B2 (riboflavin) is what makes pee yellow. Since B vitamins are not stored in the body (water soluble) any extra is lost in your urine. The bright yellow would happen to anybody taking the same vitamins.

Why is your wee a bright yellow in color with no pain?

You need to drink more water. Aim (no irony intended) for a pale straw colour in your urine. Bright yellow is too undiluted and needs dilution by drinking more, Taking vitamin B supplements will also cause urine to be a bright yellow color - so if that is the case, no worries...

Why is your urine not bright yellow after taking b complex for two days?

It is a side effect.

Your puppy has bright yellow urine and barely wants to eat?

take it to the vet PLEASE.

What causes bright yellow urine if no vitamins are being taken?

Not drinking enough wter

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