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Some people are under the misconception that building a tolerance keeps a person from experiencing the negative effects of alcohol or other substances, when in reality, the more of a substance they use, the more damage they are doing to their mental and physical health

A small randomized controlled trial in 28 men with low sperm motility found neither 400 mg nor 800 mg DHA daily for three months (90 days or about 13 weeks) affected sperm concentration or motility compared with a corn and soy oil placebo

Neither approach shows a meaningful difference in outcomes

Find out what current evidence suggests in the Vitality and Mood section of our Vitamin C Supplements Review, which includes a list of foods high in vitamin C and our Top Picks for vitamin C

However, individual responses can vary