LIMITED POWER OF ATTORNEY - SECURITIES LAW COMPLIANCE

      The undersigned, as an officer or director of Thorne HealthTech, Inc. (the
"Corporation"), hereby constitutes and appoints Paul Jacobson, Scott Wheeler and
Kim Pearson, each the undersigned's true and lawful attorney-in-fact and agent
to complete and execute such Forms 144, Forms 3, 4 and 5, and all amendments
thereto, and other forms as such attorney shall in his or her discretion
determine to be required or advisable pursuant to Rule 144 promulgated under the
Securities Act of 1933, as amended, Section 16 of the Securities Exchange Act of
1934, as amended, and the rules and regulations promulgated thereunder, or any
successor laws and regulations, as a consequence of the undersigned's ownership,
acquisition or disposition of securities of the Corporation, and to do all acts
necessary in order to file such form with the Securities and Exchange
Commission, any securities exchange or national association, the Corporation and
such other person or agency as the attorney shall deem appropriate.

      The undersigned hereby ratifies and confirms all that said attorneys-in-
fact and agents shall do or cause to be done by virtue hereof.  The undersigned
acknowledges that the foregoing attorneys-in-fact, in serving in such capacity
at the request of the undersigned, are not assuming, nor is the Corporation
assuming, any of the undersigned's responsibilities to comply with Section 16 of
the Securities Exchange Act of 1934 (as amended).

      This Limited Power of Attorney shall remain in full force and effect until
the undersigned is no longer required to file Forms 3, 4 and 5 with respect to
the undersigned's holdings of and transactions in securities issued by the
Corporation unless earlier revoked by the undersigned in a writing delivered to
the foregoing attorneys-in-fact.

      This Limited Power of Attorney is executed as of the date set forth below.


                                            Signature:  /s/ Riccardo Braglia
                                                        ------------------------
                                            Print Name: Riccardo Braglia

                                            Dated:  July 21, 2021