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Does skim milk cause acne?

By SpotBite · Sources: 13 studies · Skin Score for one typical serving (240 g) on its own · Updated 2026-09-16

Skim milk

Photo: Engin Akyurt / Pexels

68 WARN

Skim milk may add to breakouts if you eat it often or in large amounts.
One serving brings some glycemic load, a lot of dairy (milk hormones) and a little saturated fat or omega-6.

Why this score

Evidence: Hoppe 2004 (n=24): 1.5 L of skim milk a day raised IGF-1 by 19% within 7 days (study). Smith 2007 RCT (n=43): a low-glycemic-load diet for 12 weeks lowered acne lesion count by 23.5 on average, versus 12 on the control diet (study). All 13 sources.

Score breakdown

AxisWhat it measuresPoints
GlycemicGlycemic load GL 3.8−6.9 / 50
DairyDairy grams (milk hormones)−25 / 25
InflammationSaturated fat + omega-6−0.2 / 25
Skin BoostOmega-3 + polyphenols+0 / 25
Skin Score68 / 100 · WARN

Nutrition in one serving (240 g)

Carbs12 g · GI 32
Dairy240 g
Saturated fat0.2 g
Omega-60 g
Omega-30 g
Polyphenolslow

Estimates for a typical serving eaten with a meal. Real foods vary by brand and recipe.

Try instead

Compared with

Not medical advice. This score is for skim milk on its own. What you eat with it changes the result: protein and fat slow the sugar spike, and breakouts usually show up 3 to 7 days after a meal, which is why SpotBite tracks your meals over time rather than judging one food. Diet is one factor among many (hormones, genetics, skincare, stress, sleep).

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Scan what you actually eat and SpotBite shows which foods line up with your breakouts a few days later. Free on iPhone and Android.

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