Ranked by evidence
Best supplements for acne
Supplements do little for acne compared with standard treatment, and only one on the shelf has reasonable trial evidence. The list is ranked by the evidence for acne specifically, which is why it is so short. Topical and oral retinoids for acne are prescription drugs, not the same thing as a vitamin A supplement.
Picks are ranked by the strength of published evidence for this goal in otherwise healthy adults. A persistent symptom needs a clinician's evaluation, and no supplement on this list replaces treatment.
Evidence last reviewed: September 2026
Solid options
| Option | Evidence | Best for | The honest note | |
|---|---|---|---|---|
| Zinc Sulfate | Moderate evidence | inflammatory spots | A meta-analysis found zinc reduced inflammatory lesion counts versus placebo, though less than standard acne therapy. Take it with food and keep it hours apart from tetracycline antibiotics, a common acne prescription. | View |
Popular for this goal — but the evidence says skip
- Chlorophyll Limited evidence
There are no randomised trials of oral chlorophyll drops for acne; the viral claim rests on tiny open-label studies of a topical gel.
- DIM (Diindolylmethane) Limited evidence
No DIM trial has used acne as an endpoint, and the 'estrogen balance' story rests on a urinary biomarker with contested meaning.
- Vitamin B5 (Pantothenic Acid) Limited evidence
The evidence is one small industry-linked trial of a proprietary blend that has not been replicated, and gram doses go well beyond the data.
- Acne Support Formulas Limited evidence
Zinc is the only ingredient with reasonable evidence, and no trial has tested a finished multi-ingredient acne capsule against placebo.
- Vitamin A (Retinol) Moderate evidence
A retinol supplement is not a prescription retinoid and has shown no skin benefit in well-nourished adults, while high doses are teratogenic.
- Neem Limited evidence
Controlled evidence in acne is scarce and mostly uses multi-herb formulas, and neem oil is a documented poison in young children.
Our verdict
Zinc is the only supplement worth trying, and its effect is smaller than standard acne therapy. Skip chlorophyll, DIM, vitamin B5 and acne blends, and do not let any supplement replace standard acne treatment.