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Table 2 Dietary data for subjects in Study 1 during the day prior to each test day

From: Effect of betaine supplementation on plasma nitrate/nitrite in exercise-trained men

Variable Betaine 1.25 g Betaine 5.00 g
Kilocalories 2079 ± 295 1812 ± 491
Protein (g) 73 ± 6 71 ± 11
Carbohydrate (g) 277 ± 46 256 ± 71
Fat (g) 79 ± 11 61 ± 19
Vitamin C (mg) 101 ± 28 86 ± 73
Vitamin E (mg) 13 ± 11 15 ± 12
  1. Data are mean ± SEM.
  2. No statistically significant differences noted in any dietary variable (p > 0.05).
  3. Study involved a cross-over design with subjects consuming either 1.25 or 5.00 grams of betaine in a single ingestion.