Natural Alternatives International, Inc. provided earnings guidance for the fiscal year 2021. Based on the company's current sales order volumes and future period sales forecasts the company have received from the company's customers, The company expects annualized fiscal 2021 net sales to increase between 30% to 50% as compared to fiscal 2020. The company also expects to generate operating income between 5% to 7% of net sales for the company's fiscal year ending June 30, 2021.