Sugar will only give it more alc and not body. These are thin wines so bananas or raisins would help or even the grape concentrate.
<table ="Catalog" id="products" align="center" border="1" bordercolor="#000000" cellpadding="2" cellspacing="0" width="100%"><t><tr><td ="table" align="default" width="2%"><div align="center">
6377 </td>
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Red Grape Concentrate - Gives wine more body, flavor, aroma; For RED wines, 1 liter
1 Liter</td>
<td width="2%"><div align="right">$15.99</td>
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6376 </td>
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White Grape Concentrate - Gives wine more body, flavor, aroma; For WHITE wines, 1 liter
1 Liter</td>
<td width="2%"><div align="right">$12.99</td>
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