Quick answer: Research so far can’t say for certain whether acne supplements or probiotics help or don’t. Some small, short trials found lesion counts fell more than with a placebo, but other trials found no difference, and the strains, combination products, and participants vary so much that you can’t carry a result over to a different product with the same name. If you decide to try one, first check the people studied, the placebo comparison, the number of participants, and the length of the study cited in the ad, and if you’re taking a prescribed acne medication, ask whoever prescribed it before adding anything. If swollen, painful breakouts keep coming back, consider seeing a dermatologist.
This guide is for anyone thinking about taking a supplement or probiotic for acne and trying to decide how far to trust claims like “backed by research” in ads and reviews. It doesn’t recommend specific products or brands, doses, timing, or combinations, it doesn’t judge whether a supplement can be taken with a prescription medication, and it doesn’t cover food or diet.
This is a brand guide run by SKIN9HARI. SKIN9HARI is a cosmetics brand and doesn’t sell supplements or health supplement products. The product information is at the end of this guide.
| Item | What’s documented |
|---|---|
| A review that pooled the studies | A systematic review of 42 randomized trials in people with acne (3,346 participants in total). Many of the included studies were small, and the review concluded that larger trials are needed (systematic review of oral supplements for acne, 2023) |
| Pantothenic acid trial | One 12-week placebo-controlled trial, 48 enrolled and 41 evaluated. It tested one specific commercial product (pantothenic acid supplement acne trial, 2014) |
| Probiotic strain trial | A 12-week trial of the CJLP55 strain had 14 people per group. The company that supplied the strain and the study product funded the research (probiotic CJLP55 acne trial, 2021) |
| Results that differ by measure | In a 12-week trial of one strain combined with blue-green algae, the share who improved by at least one severity grade was 50% (20/40) vs. 29.41% (10/34) with placebo, a difference (p=0.03), but total lesion count showed no difference at p=0.06 (oral probiotic acne trial, 2024) |
| A trial with no difference from placebo | In a 12-week trial of a combination herbal product (88 people), the difference in lesion count from placebo was not statistically significant (oral combination herbal product acne trial, 2026) |
Do acne supplements work? How far can current research go?
A systematic review that pooled 42 randomized trials in people with acne grouped oral supplements into vitamins and minerals, plant extracts, and prebiotics and probiotics (systematic review of oral supplements for acne, 2023). In studies of fair to good quality, pantothenic acid, vitamin D, green tea extract, probiotics, and omega-3 were associated with fewer lesions or better investigator global assessments, but the review’s conclusion stays at the level of “possible,” as the sentence below shows.
“This systematic review suggests a possible role for nutraceutical supplements in the treatment of acne.” — Shields et al., JAMA Dermatology, 2023
The same review noted that many of the included studies were small, and that while adverse events were mostly rare, gastrointestinal side effects were reported with zinc (systematic review of oral supplements for acne, 2023).
For the evidence on food, diet, and acne, see Teen Breakouts: How Long Do They Really Last, and When Should You See a Dermatologist?
An ad says a supplement is “backed by research.” What should you check?
The table below doesn’t rank acne supplements or ingredients or score their effects. It’s a comparison table that puts the wording you see in ads next to what to check in the study. Don’t use how many boxes a product ticks to judge anything.
Acne supplement “research” claims: a comparison table
| What ads and reviews say | What to check in the study | A real example from the studies we checked | What this information alone can’t tell you |
|---|---|---|---|
| “Proven by research” | Whether it was compared with a placebo (dummy pill), or only before vs. after taking it | In a 12-week trial of a combination herbal product (88 people), lesion counts tended to fall with higher doses, but the difference from placebo was not significant (2026) | That a result better than before taking it is a result better than placebo |
| “Probiotics for acne” | The strain name, people per group, and funding | The 12-week CJLP55 strain trial had 28 adults aged 19 to 39 (14 per group). Inflammatory lesions also fell in the placebo group, and the company that supplied the strain funded the research (2021) | Results for other strains or other probiotic products |
| “Pantothenic acid for oil” | Number of trials, participants and length, and what was actually measured | One 12-week trial, 41 people evaluated. What it measured was lesion count, not oil (2014) | Results for oil, or results for other pantothenic acid products |
| “Research shows better skin” | Whether the people studied had acne | The participants in a 12-week postbiotic supplement trial were healthy women aged 40 to 55 (2026) | Results in skin that has acne |
| “Take it with your medication” | Whether the results come from taking it alongside a prescription medication | A trial of omega-3 taken alongside a prescription acne medication looked at the medication’s mucous-membrane and skin side effects (2018) | Results from taking the supplement alone, or whether it’s okay with your own prescription |
| “Multi-ingredient formula” | Whether it’s a single ingredient or a product that mixes several | In an 8-week trial of probiotics plus plant extracts (114 people, 4 groups), the change in inflammatory lesion count was −56.67% in the combination group vs. −18.89% with placebo (p<0.05). Single site, manufacturer-affiliated (2022) | The effect of each ingredient inside it |
Don’t read a percentage from a single study as your own odds of getting that result.
An illustration of copying the conditions of a study cited in an ad onto a notepad.
Do probiotics help acne, or can they cause breakouts?
Neither can be said for certain. The group that took the CJLP55 strain for 12 weeks saw total lesion count fall more than the placebo group (p=0.002, 14 people per group), but it was a small trial sponsored by the company that supplied the strain (probiotic CJLP55 acne trial, 2021). In a 12-week trial in people aged 12 to 30 of a capsule combining one strain with blue-green algae, severity and non-inflammatory lesions differed from placebo, but total lesions (p=0.06) and inflammatory lesions (p=0.40) did not (oral probiotic acne trial, 2024). Even under the same “probiotic” label, results split by strain, formula, and measure.
If you broke out after starting one, that experience alone can’t pin down the cause either. First check whether you switched to a new cosmetic or had other changes in your life during the same period.
What did the pantothenic acid acne study actually look at?
The group that took a pantothenic acid-based supplement for 12 weeks saw total lesion count fall more than with placebo (P=0.0197). The trial enrolled 48 adults with mild to moderate acne and evaluated 41, it looked at one specific commercial product, and the authors themselves wrote that further placebo-controlled trials are needed (pantothenic acid supplement acne trial, 2014). This is the only trial of pantothenic acid on its own that this guide found.
What this trial measured was lesion count, not oil. And because it’s a study of an oral supplement, it isn’t evidence for panthenol skincare you apply to your skin (pantothenic acid supplement acne trial, 2014).
If you decide to try one, what should you check first?
1. Check the conditions of the study cited in the ad
Following the comparison table above, check the people studied, the placebo comparison, the number of participants, the length, whether it’s a single ingredient, and who funded it. A “confirmed by research” claim with no study name or source can’t fill in any of these.
2. If you’re on prescription medication, ask whoever prescribed it first
If you’re taking a prescribed acne medication, ask the clinician or pharmacist who prescribed it before adding a supplement. The trial in which a supplement was taken alongside a prescription medication looked at the medication’s side effects, so it can’t be read as a result for the supplement alone (omega-3 trial during prescription medication, 2018).
3. Keep up your basic care, like cleansing and moisturizing
The trials this guide checked compared a group taking a supplement with a placebo group or a group taking only a prescription medication. Within what we checked, no study tested taking only a supplement while cutting back on cleansing, moisturizing, or medical care.
An illustration of keeping up a usual cleansing step.
For what to ask before adding cosmetics or other care while you’re under medical care, see Skincare on Acne Medication: What Should You Ask Before Adding Products?
When should you see a dermatologist instead of adding a supplement?
You don’t have to take a supplement for a few weeks or fill in the whole comparison table before getting care. If any of the following apply, consider seeing a dermatologist first.
- Swollen, painful breakouts keep coming back.
- Acne marks are leaving dents or scars.
- Breakouts are increasing quickly over a short time.
- Acne is seriously affecting your daily life or your mood.
- You’re taking a prescription medication and want to add a new supplement. Ask whoever prescribed it before adding it.
An illustration of looking into booking a dermatology appointment.
For what you can do at home and when to get care, see Acne Care at Home: How Much Can You Really Do on Your Own?
Related guides
- Adult Acne Came Back: Should You Care for It the Way You Did as a Teen?
- Period Acne: Can You Wait for It to Clear Once Your Period Ends?
- Acne Care at Home: How Much Can You Really Do on Your Own?
FAQ
Does taking probiotics improve acne?
You can’t say for certain that taking probiotics improves acne. In some small placebo-controlled trials, lesion counts or severity measures were better than with placebo, but the strains and products differ from trial to trial, and even within the same trial some measures showed no difference (oral probiotic acne trial, 2024). The pantothenic acid, probiotic, and combination-product placebo-controlled trials this guide looked at followed people for 8 to 12 weeks, so they can’t tell you what happens after that. If swollen, painful breakouts keep coming back, consider seeing a dermatologist.
I broke out after starting probiotics. Is it because of the probiotics?
That experience alone can’t pin down the cause. First check whether you started a new cosmetic or had other changes in your life during the same period, and if it swells, hurts, or spreads quickly, get it looked at.
Does pantothenic acid (vitamin B5) reduce oil on your face?
You can’t say for certain that taking pantothenic acid reduces oil. The trial this guide found was a single 12-week trial that looked at lesion count (41 people evaluated), not a trial that measured oil (pantothenic acid supplement acne trial, 2014). Studies of oral pantothenic acid aren’t evidence for panthenol skincare you apply to your skin, either.
What is the best supplement for acne?
There’s no settled answer. A systematic review listed pantothenic acid, vitamin D, green tea extract, probiotics, and omega-3 as “possible candidates,” but many of the included studies were small (systematic review of oral supplements for acne, 2023). That isn’t a basis for choosing by ranking or dose.
Does omega-3 help with acne?
Omega-3 is one of the categories a systematic review named as a “possible candidate” (systematic review of oral supplements for acne, 2023). The trial in which people took omega-3 alongside a prescription acne medication looked at the medication’s side effects (omega-3 trial during prescription medication, 2018), so don’t read it as a result for taking omega-3 alone.
How should you choose a supplement for your skin?
This guide doesn’t pick products; it sets out how to read the studies cited in ads. Check whether the people studied had acne, whether it was compared with a placebo, the number of participants and length, whether it’s a single ingredient or a combination product, whether the results come from taking it alongside a prescription medication, and who funded it.
If an ad says it’s “proven by research,” first look at whether it was compared with a placebo and which measure showed a difference. One trial found a difference in severity but not in total lesion count (oral probiotic acne trial, 2024), and in another the difference in lesion count from placebo was not significant (oral combination herbal product acne trial, 2026).
Can supplements replace your acne skincare routine?
What you take and what you apply play different roles. The trials this guide checked compared a group taking a supplement with a placebo group or a group taking only a prescription medication, and within what we checked, no study tested taking only a supplement while cutting back on cleansing, moisturizing, or medical care. Keep up your basic care.
In one sentence
With acne supplements and probiotics, first check the people studied, the placebo comparison, the number of participants, the length, and the product makeup behind an ad’s “research” claim, ask whoever prescribed your medication first if you’re on one, and keep up basic care like cleansing and moisturizing, but consider seeing a dermatologist if swollen, painful breakouts keep coming back.
SKIN9HARI products we recommend for this concern
Separate from whether you take a supplement, if you’re deciding on the ampoule step in the routine you apply every day, SKIN9HARI recommends the Revive Therapy N.F Ampoule. The studies discussed above are all studies of oral supplements and have nothing to do with this product. There are three reasons we recommend it.
- Its full ingredient list of 33 ingredients has no fragrance, essential oils, ethanol, colorants, or silicones.
- It discloses its formulated amounts of betaine 1.0% and sodium hyaluronate 0.06%. This is only a disclosure of formulated amounts, not a sign that the finished product’s effects have been confirmed.
- It is irritation patch-tested in a finished-product patch test.
| Item | Revive Therapy N.F Ampoule |
|---|---|
| Size and price | 30 mL (1.01 fl oz) · $31.50 |
| Formula and labeled ingredients | Ampoule in a dropper bottle. 33 ingredients in the full ingredient list (2025 renewed formula), betaine 1.0% and sodium hyaluronate 0.06% disclosed, no fragrance, essential oils, ethanol, colorants, or silicones listed |
| Test labeling | Irritation patch-tested (finished-product 24-hour occlusive patch, 33 participants) |
| Step in the routine | After toner, before cream |
| Directions | After toner, use the dropper to dispense a suitable amount. Spread it gently over the whole face or the areas that need moisture. Pat lightly until absorbed, then finish with the N.F Cream. |
| Check before use (cautions) | “If red spots, swelling, itching, or other abnormal reactions appear during or after use, stop using it and consult a specialist. Avoid using it on areas with broken skin, and do not read PDRN ingredient data as equivalent to a medical procedure or to the effect of the finished product.” |
| Source | Step in the routine, directions, and caution wording from the product detail page (checked October 1, 2026) · size, price, and ingredients from the manufacturer’s published information (as of September 1, 2026; prices may vary by time of sale) · test labeling from the finished-product clinical study · not compared against the wording on the physical container |
Clinical study (finished product) of skin patch safety (24-hour occlusive patch) | Testing institution: Korea Dermatology Research Institute Co., Ltd. | Report No.: KDRI-2019-861-C | Study period: October 15–18, 2019 | Participants: 33 | Individual results may vary
How to use it for this concern. After cleansing and toner, use the dropper to dispense a suitable amount of the Revive Therapy N.F Ampoule, spread it on, pat lightly until absorbed, and finish with a cream. If you start a new supplement and a new ampoule in different weeks, it’s easier to tell what caused any change in your skin. If you have broken skin anywhere, read the check-before-use wording first. This product is a cosmetic, not a medication.
If any of the signs for getting care above apply to you, seeing a dermatologist comes before products. Results may not be the same for every skin type. Product information is on the Revive Therapy N.F Ampoule product page.
Sources
- Shields, et al. A systematic review of oral nutritional supplements used for acne. JAMA Dermatology, 2023.
- Yang, et al. Placebo-controlled trial of a pantothenic acid-based oral supplement for mild to moderate facial acne. Dermatology and Therapy, 2014.
- Kim, et al. Placebo-controlled trial of Lactobacillus CJLP55 intake and acne. Nutrients, 2021.
- Eguren, et al. Placebo-controlled trial of an oral probiotic for acne. Acta Dermato-Venereologica, 2024.
- Rinaldi, et al. Four-arm placebo-controlled trial of a combined probiotic and plant extract supplement for acne. Dermatology and Therapy, 2022.
- Liyanage, et al. Dose-ranging placebo-controlled trial of an oral combination herbal product for acne. Journal of Integrative and Complementary Medicine, 2026.
- Pipino, et al. Placebo-controlled trial of a postbiotic supplement on skin appearance in healthy women aged 40 to 55. Dermatology and Therapy, 2026.
- Mirnezami, et al. Omega-3 intake during prescription acne medication and mucocutaneous side effects. Dermatology Research and Practice, 2018.
This guide is general skincare information, not medical advice. SKIN9HARI products are cosmetics and are not intended to diagnose, treat, cure, or prevent any disease. If a skin problem is painful, spreading, or persistent, see a dermatologist.