Please choose the correct ending to complete the given sentence: Health: [header] How to take chlorophyll as a supplement [title] Talk to your doctor before starting chlorophyll supplements. [step] Your doctor should be able to offer advice on whether or not you require chlorophyll supplementation. In some cases, chlorophyll supplements should be avoided.

Ending1: For example, since there has been a lack of safety research on chlorophyll supplements, pregnant women should avoid commercial supplements. [substeps] If your doctor advises against supplementation, you can still get your chlorophyll from natural sources such as kale, spinach or broccoli. Ending2: [substeps] Usually, chlorophyll supplements will be mixed with at least 10 teaspoons per day. If you need to supplement your supplement with neosporin to help ensure proper dosages, you can skip this step. Ending3: Talk to your doctor about options for weight gain. If you are pregnant or recovering from menopausal development, you should talk to your doctor about what can and cannot be legally done before you buy a bag containing chlorophyll. Ending4: As they contain too much chlorophyll and cause dehydration, the effects can cause headaches. [substeps] It is best not to take chlorophyll supplements for at least three weeks.

Answer format: ending1/ending2/ending3/ending4