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RetinolMax · Vitamins
High-Dose Vitamin A 25,000 IU
AI 21 · Not recommended
Scientific overview
Preformed retinol at a dose well above typical daily requirements.
Intended use
1 capsule daily
Evidence summary
Benefit is limited to diagnosed deficiency; excess intake carries real risk.
Possible side effects
- · Headache
- · Liver strain with prolonged use
Medication interactions
- · Retinoid medicines
- · Alcohol
Who should avoid it
- · Pregnancy
- · Liver disease
- · Adequate dietary vitamin A