Please choose the correct ending to complete the given sentence: Health: [header] How to fight heartburn with herbal supplements [title] Talk to your doctor. [step] Before you start any herbal remedy plan, you should talk to your doctor. Most herbal treatments are not harmful in ordinary circumstances, but they can interact with certain medications or cause problems with conditions.

Ending1: [substeps] Herbal supplements can interact with many conditions, including heart disease and celiac disease, but are suitable for patients who have high levels of cholesterol, high blood pressure, diabetes, low blood pressure, and chronic kidney disease. Some herbal treatments require you to undergo a specialized test to diagnose or to make a doctor examine your vitamin d deficiency. Ending2: [substeps] You may want to see a doctor if you have any of the following medical conditions or are concerned for the safety of the child or teen you are pregnant with: intestinal blockage, developmental stunted pregnancy, or any other medical problems. Let your doctor know if you have these conditions before you begin making your herbal remedies. Ending3: [substeps] If you are pregnant, do not take any herbal supplements before you talk to your doctor. When you take herbal supplements, always follow your doctor's dosing instructions as well as the manufacturer's instructions about dosing. Ending4: Talk to your doctor about the ins and outs of herbal medicine, with specific concerns and issues with your health. [substeps] That being said, speak to your doctor before using an herbal supplement.

Answer format: ending1/ending2/ending3/ending4