Google Charts

For more information, see Getting Started with Charts

$args = [
	'cht' => 'p3',
	'chs' => '500x200',
	'chd' => 't:' . round( esc_html( $product->dm_protein ) ) . ',' . round( esc_html( $product->dm_fat ) ) . ',' . round( esc_html( $product->dm_carbs ) ),
	'chl' => 'Protein|Fat|Carbs',
];
echo '<img src="' . add_query_arg( $args, 'https://chart.googleapis.com/chart' ) . '" class="aligncenter" alt="chart" />';