public static function GetRecommendedValues(User $user)
 {
     $age = Carbon::Parse($user->bdate)->diffInYears();
     $ageRange = AgeRange::where('min_age', '<=', $age)->where('max_age', '>=', $age)->first();
     $gender = $user->gender == 0 ? 'M' : 'F';
     $results = RecommendedValue::where('age_range', $ageRange->id)->where('sex', $gender)->select('nutrient_id', 'daily_value', 'upper_limit')->get();
     return new RecommendedValues($results->toArray(), $user->daily_calories);
 }