\documentclass[a4paper, 10pt]{article}

\usepackage{multicol}
\usepackage[dvips]{color}
\usepackage{ifthen}

\title{Valoarea caloric\u{a}\footnote{aproximativ\u{a}}~ a alimentelor\footnote{kcal/100mg}}
%\author{Gusi\c{t}u}
\date{}

\addtolength{\textwidth}{3cm}
\addtolength{\oddsidemargin}{-1.5cm}
\addtolength{\textheight}{3cm}
\addtolength{\topmargin}{-3cm}

\raggedbottom

\newcounter{epar}
\setcounter{epar}{0}

\definecolor{gri}{gray}{.9}

\newcommand{\li}[2]{%
   \addtocounter{epar}{1}
   \ifthenelse{\isodd{\value{epar}}}{% then:
      \noindent\colorbox{white}{\makebox[.967\columnwidth]{#1 \hfill #2}}\\% no need to define white
	 }{% else:
	 \noindent\colorbox{gri}{\makebox[.967\columnwidth]{#1 \hfill #2}}\\%
	 }
   }

\newcommand{\tit}[1]{%
   \begin{center}
	 {\bf\large\color{black} #1}
   \end{center}
   }

\begin{document}
\color{black}
\maketitle
\thispagestyle{empty}% \maketitle reseteaza stilul paginii la plain
\begin{multicols*}{2}% cu * nu mai aliniaza automat pe verticala
\setlength{\columnseprule}{.4pt}% separare cu linii verticale

\tit{Carne}
\li{Pui, Vit\u{a}, Oaie}{200}
\li{Porc}{250}
\li{Mezeluri}{300}
\li{Salam de var\u{a}}{500}
\li{Cabano\c{s}i}{350}
\li{Pe\c{s}te}{100}
\li{Conserv\u{a} pe\c{s}te}{400}

\tit{Lactate}
\li{Lapte, Iaurt}{50}
\li{Telemea de vac\u{a}}{250}
\li{Telemea de oaie}{300}
\li{Br\^{a}nz\u{a} topit\u{a}}{350}
\li{Ca\c{s}caval}{400}
\li{Unt}{700}
\li{Margarin\u{a}}{750}
\li{Sm\^{a}nt\^{a}n\u{a}}{300}

\tit{Legume}
\li{Cartofi pr\u{a}ji\c{t}i}{200}
\li{Cartofi fier\c{t}i}{100}
\li{Fasole verde, Varz\u{a}}{30}
\li{Fasole, Maz\u{a}re - boabe}{300}
\li{Ciuperci}{30}
\li{Ceap\u{a} verde, Salat\u{a}, Ro\c{s}ii, Castrave\c{t}i}{20}
\li{Ceap\u{a} uscat\u{a}, Ardei gras}{40}
\li{Morcovi}{50}
\li{Usturoi}{150}
\li{Urzici}{70}
\rule{0cm}{2cm}

\tit{Fructe}
\li{Mere}{70}
\li{Pere}{80}
\li{Portocale}{50}
\li{Banane}{70}
\li{Grep}{30}
\li{Mandarine}{40}
\li{Pepene}{25}
\li{Piersici}{50}

\tit{Diverse}
\li{Ou}{150}
\li{P\^{a}ine}{250}
\li{Orez}{350}
\li{Miere}{350}
\li{Ciocolat\u{a}}{550}
\li{Alune}{700}
\li{Dulcea\c{t}\u{a}}{300}
\li{Biscui\c{t}i}{450}
\li{Ulei}{950}

\end{multicols*}
\end{document}