<h3 class="PDq2pG_selectionAnchorContainer" data-section-id="ms0jis" data-start="0" data-end="53">Kamagra Oral Jellyand Viagra both contain <strong data-start="98" data-end="120">sildenafil citrate, the same active ingredient used to treat erectile dysfunction (ED). The main difference is the formulation&mdash;Kamagra comes as an oral jelly, while Viagra is available as a tablet. Both medications require sexual stimulation to work and should only be used under the guidance of a healthcare provider.</h3>