CERTIFICATIONS





I, John McLane, certify that:

1. I have reviewed this quarterly
report on Form 10-QSB of Immureboost, Inc. (formerly eSavingsStore.com, Inc.);

2. Based on my knowledge, this report
does not contain any untrue statement of a material fact or omit to state a
material fact necessary to make the statements made, in light of the
circumstances under which such statements were made, not misleading with respect
to the period covered by this report;

3. Based on my knowledge, the
financial statements, and other financial information included in this report,
fairly present in all material respects the financial condition, results of
operations and cash flows of the registrant of, and for, the periods presented
in this report;

4. The registrant's other certifying
officer(s) and I are responsible for establishing and maintaining disclosure
controls and procedures (as defined in Exchange Act Rules 13a-15(e) and
15d-15(e)) for the registrant and have:

> a) Designed such disclosure
>   controls and procedures, or caused such disclosure controls and procedures to
>   be designed under our supervision, to ensure that material information
>   relating to the registrant, including its consolidated subsidiaries, is made
>   known to us by others within those entities, particularly during the period in
>   which this report is being prepared;
>   b) Evaluated the effectiveness of
>   the registrant's disclosure controls and procedures and presented in this
>   report our conclusions about the effectiveness of the disclosure controls and
>   procedures, as of the end of the period covered by this report based on such
>   evaluation; and
>   c) Disclosed in this report any
>   change in the registrant's internal control over financial reporting that
>   occurred during the registrant's most recent fiscal quarter (the registrant's
>   fourth fiscal quarter in the case of an annual report) that has materially
>   affected, or is reasonably likely to materially affect, the registrant's
>   internal control over financial reporting;

5. The registrant's other certifying
officer(s) and I have disclosed, based on our most recent evaluation of internal
control over financial reporting, to the registrant's auditors and the audit
committee of the registrant's board of directors (or persons performing the
equivalent functions):

> a) All significant deficiencies and
>   material weaknesses in the design or operation of internal control over
>   financial reporting which are reasonably likely to adversely affect the
>   registrant's ability to record, process, summarize and report financial
>   information; and
>   b) Any fraud, whether or not
>   material, that involves management or other employees who have a significant
>   role in the registrant's internal control over financial reporting.

Date:August 15, 2007

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John McLane, President and

Chief Executive Officer







A signed original of this
        written statement required by Section 302 of the Sarbanes-Oxley Act of
        2002 has been provided to Immureboost, Inc. (formerly eSavingsStore.com,
        Inc.) and will be retained by Immureboost, Inc. (formerly
        eSavingsStore.com, Inc.) and furnished to the Securities and Exchange
        Commission or its staff upon request.