What do systematic reviews say?

Summary of findings: water‐soluble vitamin E vs control

Summary of findings: water‐soluble vitamin E may leads to higher vitamin E levels in serum: umol/L compared with control (low certainty).

• Vitamin E supplementation in people with cystic fibrosis 2020 · Cochrane Headline outcomes only
  MD 19.74 [13.48, 26]
  1 study · 45 participants
  Low