Compare Supplements

Side-by-side comparison of 2 supplements

Gte7.5

Green Tea Extract

Moderate safety

Pnv7.0

Prenatal Multivitamin

Moderate safety

Evidence

Likely helps

Evidence Score7.5/10

Studies: 276

Meta-analyses: 16

Mostly mechanism / observational

Evidence Score7/10

Studies: 63

Meta-analyses: 7

Dosage & timing

Dosage:

450mg EGCG

Best Time:

Between meals

Take with food

Form:

Standardized extract (45-50% EGCG)

Dosage:

1 serving daily as labelled. The verified folic acid evidence rests on 400-800 mcg daily started before conception

Best Time:

With meals · with food

Take with food

Form:

A prenatal containing 400-800 mcg folic acid, started at least one month before conception

What you'll notice

🔥 Increased Fat Oxidationpositive

Acute and 4-8 weeks

⚡ Metabolic Boostpositive

Acute

🧠 Mental Claritypositive

30-60 minutes

🛡️ Prevents neural tube defectspositive

Requires pre-conception start

⚖️ Less low birthweightpositive

Across pregnancy

🩸 Less maternal iron-deficiency anaemiapositive

Across pregnancy

Safety

Moderate safety

Contraindications:

Liver disease
Iron deficiency anemia (take separately from iron)
Active Liver Disease - use with caution

Drug Interactions:

Stimulants/caffeine
Warfarin
Iron supplements

Side Effects:

NauseaInsomniaLiver enzyme elevation

Moderate safety

Contraindications:

Products supplying more than 10,000 IU/day (3,000 mcg RAE) of preformed vitamin A (retinol) in pregnancy — this is the established Tolerable Upper Intake Level for preformed vitamin A, set by the IOM/NASEM and reaffirmed by EFSA in 2024, with teratogenicity as the designated critical effect
Concurrent use of a separate high-dose vitamin A supplement or prescription retinoid
Haemochromatosis or iron overload (iron-containing products)

Drug Interactions: