Protein black filled icon
Zigzag protein molecule chain drawn diagonally inside a thin circle
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About the Protein black filled 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 solid black filled version of the protein icon: a bold silhouette that reads clearly at 16-24 px and on dark or busy backgrounds, and prints well in one colour.
Get it free as an SVG vector or transparent PNG (16-512px), copy the SVG code, or restyle it in the free online editor — recolor any part, add gold, neon or gradient effects, animate it, or export EPS, PDF and DXF.
Free for personal and commercial use with attribution.
