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International Union of Physiological Sciences

EIN 23-7421084 · Rochester, MN

Public records show a registered, tax-exempt organization in good standing.

LegitimacyPassesRegistration and standingFinancial healthStrong100 out of 100GovernanceWeak48 out of 100Impact evidenceDescribes programsHow well its results are evidenced

What it says it does

THE IUPS IS AN ORGANIZATION WHICH BRINGS TOGETHER PHYSIOLOGISTS FROM THROUGHOUT THE WORLD. THE UNIFYING OBJECTIVE OR PHYSIOLOGISTS IS TO INCREASE MANKIND'S UNDERSTANDING OF THE FUNCTIONS OF CELLS, TISSUES, ORGANS AND ORGAN SYSTEMS OF ANIMALS AND HUMANS. THE OBJECTIVES OF THE IUPS ARE: TO ENCOURAGE THE ADVANCEMENT OF THE PHYSIOLOGICAL SCIENCES; TO FACILITATE THE DISSEMINATION OF KNOWLEDGE IN THE FIELD OF PHYSIOLOGICAL SCIENCES; TO PROMOTE THE INTERNATIONAL CONGRESSES OF PHYSIOLOGICAL SCIENCES: TO PROMOTE SUCH OTHER MEETINGS AS MAY BE USEFUL FOR THE ADVANCEMENT OF THE PHYSIOLOGICAL SCIENCES; AND TO PROMOTE SUCH OTHER MEASURES AS WILL CONTRIBUTE TO THE DEVELOPMENT OF PHYSIOLOGICAL SCIENCES IN DEVELOPING COUNTRIES. THE IUPS PUBLISHES A JOURNAL, PHYSIOLOGY IN COOPERATION WITH THE AMERICAN PHYSIOLOGICAL SOCIETY. THE ARTICLES ARE SHORT, UP-TO-DATE REVIEWS OF MODERN PHYSIOLOGY, DIRECTED TO SCIENTISTS AND TEACHERS THROUGHOUT THE WORLD IN ORDER TO HELP THEM MAINTAIN A CURRENT KNOWLEDGE OF ALL FI

Income
$303,780
Spending
$162,566
Spent on programs
83%
Reserves
65.4 months of spending
Largest source of income
other income, 56%
Employees
0

Source: Form 990 for the year ending December 31, 2024, filed with the Internal Revenue Service. Rating method 2026.2. How we rate

Financial health

Strong: 100 out of 100. Higher than 81% of charities in its peer group (medical research, $250k to $1m).

  • Reserves

    35 of 35

    Spendable reserves would cover 65.4 months of spending.

  • Debt

    20 of 20

    It owes 1% of what it owns.

  • Living within its means

    15 of 15

    Income exceeded spending by 46% of income.

  • Income trend

    15 of 15

    Income rose 63% on the year before.

  • Spending floor

    15 of 15

    83% of spending went to programs and raising each dollar of donations cost 0 cents.

Source: Form 990 for the year ending December 31, 2024, filed with the Internal Revenue Service. Rating method 2026.2. How we rate

Governance

Weak: 48 out of 100. Higher than 16% of charities in its peer group (medical research, $250k to $1m).

  • Independent board

    25 of 25

    21 of 21 voting board members are independent.

  • Conflict of interest policy

    0 of 15

    Reports no written conflict of interest policy.

  • Whistleblower policy

    0 of 8

    Reports no written whistleblower policy.

  • Record keeping policy

    0 of 7

    Reports no written policy on keeping and destroying records.

  • Board minutes

    5 of 5

    Keeps minutes of board meetings.

  • Board sees the tax return

    0 of 10

    Did not give the board a copy of this return before filing it.

  • Independent check of accounts

    6 of 15

    Its accounts were not audited or reviewed by an independent accountant.

  • No reported misuse

    10 of 10

    Reports no diversion of assets, excess benefits or loans to insiders.

Source: Form 990 for the year ending December 31, 2024, filed with the Internal Revenue Service. Rating method 2026.2. How we rate

Impact evidence

Describes programs. Its tax return describes what it does but we have found no measurable results in it.

Programs described in its return (1)
  1. $134,991 spent. SUPPORT OF SCIENTIFIC RESEARCH AND CONFERENCES

Source: Form 990 for the year ending December 31, 2024, filed with the Internal Revenue Service. Rating method 2026.2. How we rate

Legitimacy checks

  1. Is it registered with the IRS? Passed.

    Listed in the IRS master file of tax-exempt organizations as a 501(c)(3) charitable organization.

    Source: Exempt Organizations Business Master File, Internal Revenue Service, file dated October 13, 2026.

  2. Has the IRS revoked its tax-exempt status? Passed.

    Not on the IRS automatic revocation list.

    Source: Automatic revocation of exemption list, Internal Revenue Service, file dated October 13, 2026.

  3. Are donations tax-deductible? Passed.

    On the IRS list of organizations eligible to receive tax-deductible contributions.

    Source: Publication 78 data: organizations eligible for tax-deductible contributions, Internal Revenue Service, file dated October 13, 2026.

  4. Is it keeping up with its IRS filings? Passed.

    Most recent return on file covers the year ending December 2024.

    Source: Exempt Organizations Business Master File, Internal Revenue Service, file dated October 13, 2026.

  5. How long has it been tax-exempt? Passed.

    Recognized by the IRS since July 1975.

    Source: Exempt Organizations Business Master File, Internal Revenue Service, file dated October 13, 2026.

  6. Is it in good standing with state regulators? Passed.

    Not on California's list of charities barred from soliciting. Other states are not yet checked.

    Source: May Not Operate or Solicit for Charitable Purposes list, California Attorney General, Registry of Charities and Fundraisers, file dated October 21, 2026.

Ratings and checks are our reading of public records, using the published method. They are not a statement about anyone's honesty. If you work for this organization, you can send corrections or results, confirm you want gifts through Veridonate, or ask to be removed from giving.