Please choose the correct ending to complete the given sentence: Health: [header] How to strengthen eyesight [title] Increase your lutein intake. [step] Lutein is a nutrient sometimes known as the eye vitamin. Consuming up to 12 mg per day of lutein can help slow the advance of age-related macular degeneration and other eye-related ailments.

Ending1: [substeps] Studies have shown that adults who eat about 80 grams of lutein a day are generally more likely to develop eye problems. The increased levels of this nutrient will improve eyes function and improve performance. Ending2: These vitamins help circulate the fluid to reduce macular swelling, reduce inflammation, and strengthen the lining in the cornea. [substeps] Try taking your dose 3 times a day for at least 45 minutes each day. Ending3: Taking up supplements may be required after age 11 or sooner to ensure that you do not retain too much of the vitamin. [substeps] Try adding 200 g (6 ounces) of fortified cereals to your daily regimen. Ending4: Foods rich in lutein include : [substeps] Green leafy vegetables. Kale, broccoli, and spinach will all give you a good dose of lutein.

Answer format: ending1/ending2/ending3/ending4