Protein black outline icon
Zigzag protein molecule chain drawn diagonally inside a thin circle
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About the Protein black outline icon
A zigzag coil, drawn as a continuous folded strand, sits on a diagonal inside a plain circular frame. The shape reads as a protein molecule or peptide chain, the standard shorthand for muscle-building nutrition. Use it on supplement labels and packaging, macro trackers, gym and fitness app menus, meal plan charts and food nutrition tables.
The heavier stroke on the coil contrasts with the thin surrounding ring, so the molecule stays the focal point rather than the container. The diagonal placement fills the circle evenly. Pair it with carbs, fat and calorie icons for a macronutrient set, and avoid sizes under 24 px where the coil folds start to merge.
This is the black outline version of the protein icon: even, monoline strokes that stay crisp at small sizes and suit clean, minimal interfaces, wireframes and light backgrounds.
Download it free as a scalable SVG vector or transparent-background PNG in seven sizes (16 to 512px), copy the SVG code straight into your project, or open it in the free online editor to change colors, apply gold, silver, neon and gradient styles, animate it, or convert it to EPS, PDF and DXF.
Free for personal and commercial use with attribution.
