Hydroxycitric Acid

Best for

Reduce belly and deep abdominal fat

Promising early signal · 3000 mg/day for 8 weeks · 1 meta-analysis , n=40

2 papers · 4 claims · 11 outcomes scored · 2 positive

Outcomes

What hydroxycitric acid actually does, by outcome

Each row is one outcome with effect size, evidence base, the dose that worked in trials, and time to first effect. Magnitude tiers come from native-unit MCID where available, Cohen's d otherwise.

Outcome Effect size Evidence Dose Weeks Rank

Reduce belly and deep abdominal fat Promising early signal

Targets the visceral fat that wraps around your organs and drives inflammation.

2 meta-analyses n=40 3000 mg 8 wk #10/51

37476001·21197150

moderate

2 meta-analyses n=40 Meta-analyzed

3000 mg

8 wk

#10 /51

Lose weight on the scale Likely real but unnoticeable

Less weight on your joints, better blood markers, easier movement.

2 meta-analyses n=706 1–3000 g 8 wk

21197150·37476001

trivial

2 meta-analyses n=706 Meta-analyzed I²=79%

1–3000 g

8 wk

—

Feel full longer and crave less Early signal of harm

Genuine satiety replaces the constant urge to snack or overeat.

1 RCT n=40 3000 mg 8 wk

37476001

large

1 RCT n=40

3000 mg

8 wk

—

Lose body fat Not enough research

Body fat percentage drops and the mirror shows it before the scale does.

2 meta-analyses n=— 3000 mg 8 wk

21197150·37476001

—

2 meta-analyses n=— Meta-analyzed

3000 mg

8 wk

—

Outcome	Effect	Evidence	Dose	Weeks	Rank
Reduce belly and deep abdominal fat Promising early signal	moderate	2 meta-analyses n=40 Meta-analyzed	3000 mg	8 wk	#10/51
Lose weight on the scale Likely real but unnoticeable	trivial	2 meta-analyses n=706 Meta-analyzed	1–3000 g	8 wk	—
Feel full longer and crave less Early signal of harm	large	1 RCT n=40	3000 mg	8 wk	—
Lose body fat Not enough research		2 meta-analyses n=— Meta-analyzed	3000 mg	8 wk	—

Risk profile

Adverse events and known drug interactions

Safety events

spermatogenesis impaired severe

Gastrointestinal adverse events

micronucleus

Sources

Generated August 14, 2026

Hydroxycitric Acid

What hydroxycitric acid actually does, by outcome

Adverse events and known drug interactions

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