<?php if($_product->isConfigurable()): ?>
                    <?php // get attributes ?>
                    <?php $attributes = $_product->getTypeInstance(true)->getConfigurableAttributes($_product) ?>
                    <?php if(count($attributes)): ?>
                        <span class="flavor_count"><?php echo count($attributes); ?> Flavors</span>
                    <?php endif;?>
                <?php endif;?>