The ingredients in Optimal Sleep are not known to contain sulfur, however there is no testing done to verify whether any of the ingredients are derived from sulfur-containing sources.
Articles in this section
- What is Optimal Sleep derived from?
- What is the expiration date of Optimal Sleep?
- Does Optimal Sleep contain corn or grain-derived ingredients?
- Is Optimal Sleep suitable for vegans and vegetarians? If not, why?
- Is Optimal Sleep safe to use while pregnant or breastfeeding?
- Can Optimal Sleep be used for children?
- Are there any side-effects or precautions when using Optimal Sleep?
- Is Optimal Sleep free of magnesium stearate?
- Does Optimal Sleep contain sulfur?