Under normal circumstances, you just need to buy walnut oil specially designed for babies. It doesn’t matter which brand it is. Just consume it in moderation. Don’t eat too much. Generally, one or two drops is enough. Don’t make it too greasy. Except for walnut oil, it is only suitable for babies.

You can also try to change the flaxseed oil you eat. It is recommended that mothers choose walnut oil, which is best extracted from natural walnuts.