Multiple choice

Which of the following is the source of lactic acid?

  1. Milk

  2. Tea

  3. Vitamin C

  4. Coffee
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Lactic acid is naturally found in milk and dairy products. It is produced through bacterial fermentation of lactose (milk sugar). Tea, coffee, and Vitamin C do not contain lactic acid.

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