In medical terms what does (up to 0.1%, w/w) mean?!

Question: What does w/w mean in the following statement?
dietary feeding of silibinin (up to 0.1%, w/w) did not show any adverse effect

---

---

Answers: What does w/w mean in the following statement?
dietary feeding of silibinin (up to 0.1%, w/w) did not show any adverse effect

---

---

This means that the substance makes up 0.1% of the total mass of the compound or solution.

---

---

This Patient Guide is written for the loved ones of heart patients who are dealing with the short-term stress that comes with a test, procedure or recent diagnosis of heart disease. It explains why support is so important to a loved one with heart disease. It also offers practical strategies on how to support a loved one while also taking care of yourself.

---

---

---

---