Vitamin A
One of the few supplements that actually delivers. Proven to support vision support with real clinical backing.
Verdict
10/10 Proven
Evidence
Grade A / 350+ Studies
The No-BS Summary
8 things. 60 seconds. Everything you need.
WHAT IT DOES
Supports vision, immune function, and skin health.
DOES IT WORK?
10/10 Proven. This one actually works. Vitamin A is essential, especially for those with deficiencies. Supplementation can improve vision, immunity, and skin health. However, most people get enough from their diet, so it's not a universally needed supplement.
HOW MUCH TO TAKE
3,000 IU (900 mcg RAE) for adults
COST
Budget-friendly. $20-35/month for quality brands.
FIRST 24 HOURS
Don't expect miracles on day one. It's building in your system.
AFTER A FEW WEEKS
Give it 4-8 weeks for full effects. Patience pays.
SAFETY
Few things to check: pregnancy (high doses can cause birth defects), liver disease. Worth mentioning to your doc.
HOW IT FEELS
Generally, no immediate noticeable feeling. Over time, improvements in night vision or skin clarity may be observed.
QUICK ANSWERS
+ 4 more questions
DOSE-RESPONSE CURVE
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