Lindsey Rapp Skin
How to Clear Acne Naturally: Diet, Supplements & Skincare
By Lindsey Rapp, MS, RD, LE · Skin Nutrition
"Acne is rarely just a skin problem. It's a whole-body conversation — and the most powerful tool you have is what you put on your plate."
— Lindsey Rapp, MS, RD, LEAs a registered dietitian and licensed esthetician, I see acne from both sides: the skin you can touch and the biology driving it from within. Whether you're dealing with hormonal breakouts, cystic acne, or stubborn congestion that never fully clears, this guide pulls together everything I recommend to my clients for achieving lasting clarity — without the guesswork.
The Anti-Acne Diet
Nutrition is one of the most underutilized tools in acne treatment. Research consistently links chronic inflammation, blood sugar spikes, and certain food compounds to increased sebum production, clogged pores, and inflammatory breakouts. The good news? What you eat can work powerfully in your skin's favor.
Embrace a Mediterranean-style, anti-inflammatory approach. This means prioritizing whole foods that calm systemic inflammation, support the gut-skin axis, and regulate hormones — all key drivers of acne.
✦ Eat More Of
- Colorful fruits & berries
- Leafy greens & vegetables
- Chicken & turkey
- Grass-fed beef
- Wild-caught fish 2–3x per week
- Olive oil & avocado
- Bone broth
- Green juice
⊘ Limit or Avoid
- Dairy (all forms)
- Eggs (some clients notice breakouts from the biotin content)
- Sugar & high-glycemic foods
- Whey protein & protein shakes
- Iodized table salt & packaged foods
- Kelp & seaweed
- Soy (tofu, soy milk, protein bars)
- Peanuts & peanut butter
- Inflammatory oils (corn, canola, soybean, safflower, sunflower)
- Maca
💡 Why these foods matter: Dairy and whey protein spike IGF-1, a hormone that ramps up oil production. High-glycemic foods cause insulin surges that trigger androgens. Excess iodine from table salt, seaweed, and seafood can aggravate existing acne lesions. Peanuts and soy contain compounds that may disrupt hormone balance. Inflammatory seed oils contribute to systemic inflammation that keeps skin stuck in a reactive cycle.
Targeted Supplements
Even the cleanest diet can have gaps. These three supplements — plus one botanical — have the most evidence and clinical relevance for acne-prone skin.
Probiotic — Gut-Skin Axis Support
The connection between your gut microbiome and your skin is real. A daily pre+probiotic can reduce inflammation, regulate immune response, and support clearer skin over time.
Omega-3 Fatty Acids — 1,000 mg Daily
Omega-3s are among the most powerful anti-inflammatory nutrients available. They help balance the skin's lipid environment, reduce inflammatory acne lesions, and counteract the damage of pro-inflammatory seed oils. Choose a pharmaceutical-grade, molecularly distilled fish oil. I recommend Source Naturals Ultra Potency Omega-3.
Zinc Monomethionine — Skin Healing & Oil Control
Zinc reduces sebum production, inhibits acne-causing bacteria, and supports wound healing. OptiZinc (zinc monomethionine) is one of the most bioavailable forms available. I recommend Source Naturals OptiZinc.
* Discontinue once skin is fully clear.Spearmint Tea — Natural Hormone Balance
Clinical studies show spearmint tea has measurable anti-androgenic effects, making it particularly useful for hormonal acne — especially in women. Sipping 1–2 cups daily may help lower free testosterone levels and reduce breakouts on the jawline and chin.
Daily Habits That Move the Needle
Diet and supplements lay the foundation, but your daily habits either reinforce your progress or silently undermine it.
Ice active lesions to reduce inflammation — and resist the urge to pick. Picking spreads bacteria and causes scarring.
Change your pillowcase every 2–3 days. It collects oil, bacteria, and dead skin cells that transfer back to your face nightly.
Fragrance-free laundry detergent and no fabric softener. Both leave irritating residue on pillowcases and towels.
Cleanse and moisturize morning and night — always. Post-workout cleansing is especially important.
Green juice is an easy way to flood your system with anti-inflammatory plant nutrients daily. Make sure it is mostly vegetables and not fruit juice.
Sip bone broth regularly. Rich in collagen, glycine, and minerals, it supports gut lining integrity and the gut-skin connection.
A Note on Birth Control
Not all hormonal birth control is equal when it comes to skin. Progestins vary significantly in their androgenic activity — higher androgen potency can worsen acne, while lower androgenic options combined with higher estrogen can actually improve it.
What to Ask Your Provider
Request a birth control option that is higher in estrogen and lower in androgenic potency. Pills containing drospirenone, norgestimate, or desogestrel tend to be more skin-friendly. Always work with your OB-GYN to find what's right for your body and health history.
Topical Ingredients That Actually Help Acne
What you apply to your skin matters just as much as what you put in your body. These are the evidence-backed topical ingredients I recommend as part of a complete acne skincare routine.
Benzoyl Peroxide
One of the most clinically proven acne fighters. Kills acne-causing bacteria directly and helps clear pores. Start with a lower concentration (2.5–5%) to minimize irritation.
Retinal / Retinoids
Accelerates cell turnover, unclogs pores, and prevents new breakouts from forming. Retinal is gentler than retinoic acid and converts efficiently on the skin.
Azelaic Acid
A multitasking ingredient that reduces inflammation, kills bacteria, and fades post-acne marks. Excellent for sensitive or rosacea-prone skin alongside acne.
Niacinamide
Regulates sebum production, calms redness, and strengthens the skin barrier. Works well layered with most other actives and is well-tolerated by nearly all skin types.
Sulfur
A gentle, time-tested acne ingredient that absorbs excess oil and has mild antibacterial properties. Great in spot treatments and masks for inflamed breakouts.
Salicylic Acid
A beta-hydroxy acid (BHA) that penetrates into the pore lining to dissolve oil and dead skin buildup. Ideal for blackheads, whiteheads, and oily skin types.
💡 A note on professional acne facials: topical ingredients work best when your skin barrier is healthy and treatments are personalized. A professional can assess your skin, select the right actives, and pair them with in-office treatments like microneedling to accelerate results.
Putting It All Together
Clearing acne sustainably isn't about finding one magic product. It's about building a system where your diet, supplements, skincare routine, and daily habits all work in the same direction. When inflammation is low, your gut is balanced, your hormones are supported, and your skin barrier is cared for — clarity follows.
Consistency is the protocol.
Skin changes take time — typically 8 to 12 weeks to see meaningful results. Start with one change: eliminate dairy, add the probiotic, swap your laundry detergent. Layer in the rest as you build momentum.
At Lindsey Rapp Skin, I combine clinical skincare treatments with nutrition strategies to help clients clear acne at the root. If you're in Waterford, West Bloomfield, Birmingham, or the surrounding Oakland County area, you can schedule a personalized acne consultation to build a treatment plan tailored to your skin.
This post is for educational purposes and reflects general guidance. It is not a substitute for individualized medical advice. Always consult your healthcare provider before beginning a new supplement regimen.