Dietary Intake and Daily Distribution of Carbohydrate, Protein and Fat in Youth Tennis Players over a 7-Day Training and Competition Period

Table 5. Mean daily macronutrient intake in comparison to sports nutrition recommendations.

Macronutrient		Dietary Intake				Sports Nutrition Recommendations
Macronutrient		All	U12	U14	U16+	Sports Nutrition Recommendations
Carbohydrate	g·kg^-1 % TEI	4.6 ± 1.4 46 ± 5	5.2 ± 1.2 47 ± 3	4.9 ± 1.8 45 ± 8	3.9 ± 0.8 47 ± 3	6-10 g·kg^-1 per day
Protein	g·kg^-1 % TEI	1.9 ± 0.4 20 ± 4	2.0 ± 0.3 19 ± 2	2.1 ± 0.4 20 ± 6	1.6 ± 0.4 20 ± 3	1.4-2 g·kg^-1 per day
Fat	g·kg^-1 % TEI	1.5 ± 0.4 35 ± 4	1.7 ± 0.3 34 ± 3	1.6 ± 0.3 35 ± 3	1.3 ± 0.5 35 ± 6	30-35% TEI

Recommendations based on the Energy and Macronutrient Considerations for Young Athletes review paper (Hannon et al., 2020). Values are reported for the full sample, U12, U14 and U16+ groups and are reported as means ± SD. TEI = Total Energy Intake.