Is it safe to add black salt in foods during pregnancy? Is it harmful to take black salt during pregnancy? What are the benefits of eating black salt during pregnancy? Payal replied. Hi yes you can even check in google about the different kind of benefits of having black salt during this phase. People who have BP can also make use of black salt on regular days. Sarayu replied. Hi friend, yes my doctor had advised me to take black salt which is also known as iodized salt. This keeps your salt level and blood pressure controlled. Most of the women tend to loose control on BP by the end. Yasmin replied. Yes black salt is very good to be taken during this phase the best thing about black salt is it helps in keeping the blood pressure normal throughout the phase. Hence, its very important to use black salt.