Normal Range of Urine Specific Gravity
Typical urine specific gravity falls in the range of 1.005 and 1.030, considered clinically normal. Results that fall slightly outside the normal range are not uncommon. The higher the number, the more concentrated your urine is. For reference, the specific gravity of plain water is 1.000.
It may appear as a broad normal range for urine specific gravity; however, given how quickly the body loses water and electrolytes during exercise, slight variations can quickly tip the scale to an abnormal level and impact performance. For example, according to one study published in the Journal of Athletic Training [5], almost half of the basketball players in the tested sample started their game in a hypohydrated state. Hypohydration refers to the hydration level lower than normal daily fluctuation, with urine specific gravity of greater than 1.020. While a hypohydration state is considered a normal clinical hydration level, sports, and exercise can lead to dehydration within minutes, suggesting the need for proper hydration strategies throughout the game/workout.
Similarly, a hyperhydrated state due to excessive intake of fluids can increase the risk of bloating, gastrointestinal discomfort, and body mass gain – all undesirable traits during sports activities. Women are often more prone to negative side effects of hyperhydration than men [6].
Low Urine Specific Gravity
A slightly low number on urine specific gravity may indicate that you have been drinking a lot and have diluted your urine. While it may be normal to have a low urine specific gravity if you have been drinking a lot of water, it may also suggest low levels of electrolytes in your body, which may make you feel exhausted and tired. Persistently low urine specific gravity could indicate that your kidneys lack the ability to filter out waste products effectively. In the case of diabetes insipidus, this could mean that kidneys cannot conserve water. This could still make you feel dehydrated despite drinking sufficient water because the body is not utilizing water. Please consult with your healthcare provider if you find yourself peeing a lot and your urine specific gravity levels are low. A clear-to-transparent urine color is another sign that your urine specific gravity is low. A normal urine color should be straw yellow.
High Urine Specific Gravity
A number slightly higher than normal may mean you have mild dehydration and need to consume more fluids. If you retake the test later in the day after adjusting your fluid intake, your result may be different.
A dark urine color (e.g., dark yellow, orange, or red) is another indication that your urine specific gravity is high. Increasing fluid and electrolyte intake and peeing as soon as you feel the urge to urinate generally resolves this issue.
However, results that are far outside the typical range may be a cause of concern, particularly if other parameters on your Urinox-10 strip also show atypical results. You may have an infection or another underlying condition.
Final Words
The specific gravity of urine is a very useful and versatile measurement that not only checks your body's hydration levels, it also aids in the diagnosis of several hidden diseases. You can use this hydration test to achieve peak physical performance in your exercise and sports. Both overhydration and underhydration have negative effects on your physical performance and health.
Doctors frequently consider urine specific gravity measurements to understand your health and the condition of your internal organs. If you have urine specific gravity results that are persistently outside the normal range, speak to your doctor. You may need additional testing and treatment.
Make hydration testing a part of your wellness routine to stay informed of your body's hydration needs and achieve peak physical performance in your sports and workout sessions by staying optimally hydrated – a balance between overhydrated and underhydrated.