Latensin, Recarcin and Utilin are the SANUM immunobiologicals, bacterial-derived preparations used to stimulate the non-specific immune response in chronic, recurrent and terrain-weakened states. They occupy a distinct place in the SANUM system as immune activators rather than milieu isopathics.
This reference covers the rationale, the role of each preparation, how a course is structured and sequenced, and the administration and safety considerations.
The short version: The SANUM immunobiologicals Latensin, Recarcin and Utilin are bacterial-derived preparations used to stimulate non-specific immune reactivity in chronic and recurrent states, introduced cautiously in ascending potencies.
Rationale: activating non-specific immunity
The immunobiologicals are prepared from bacterial cultures and are used to provoke a measured non-specific immune response, on the reasoning that a depleted or unreactive immune terrain benefits from controlled stimulation. They are typically reserved for chronic, recurrent or stubborn presentations where reactivity appears blunted.
This places them apart from the milieu-modulating SANUM isopathics: their intent is immune activation rather than terrain correction, and they are usually introduced once the groundwork of milieu and drainage has been laid.
The remedies and their roles
Three bacterial immunobiologicals are featured.
- Latensin (Bacillus cereus) is used to stimulate the non-specific immune response in chronic and recurrent conditions.
- Recarcin (Bacillus firmus) serves as an immunobiological support for the depleted terrain.
- Utilin (Bacillus subtilis) is used for immune stimulation, classically in chronic respiratory and terrain-weakness pictures.
Protocol structure and sequencing
Immunobiologicals are characteristically introduced cautiously, often at a lower potency and infrequent interval, and titrated according to the strength of the patient's reaction. Because they can provoke a reaction, they are usually staged into a programme after milieu and drainage rather than at the outset.
Selection among the three follows the clinical picture and the practitioner's reading of terrain, and they are generally used one at a time and spaced, rather than stacked, so that the response can be judged.
Administration and practical notes
These preparations are available in forms such as capsules and ampoules; route, potency, interval and course length follow the manufacturer's directions and individual assessment. The guiding principle is to start low and space widely, observing the reaction before advancing.
Document the reaction after each administration, since the strength of response guides whether to hold, repeat or advance the potency.
Combining and cautions
Because immunobiologicals stimulate immune reactivity, exercise particular caution in autoimmune disease, immunosuppression and pregnancy, and follow the manufacturer's contraindications closely. Observe known hypersensitivity to constituents. Reactions should be anticipated and managed within the plan; introduce these preparations only when the terrain has been prepared and always under trained supervision.
Your natural toolkit — and which to reach for
Remedies referenced in this protocol. These are SANUM immunobiological preparations introduced cautiously within a staged programme.
Sanum Latensin ® (Bacillus cereus) — non-specific immune stimulation in chronic and recurrent conditions.
Sanum Recarcin ® (Bacillus firmus) — immunobiological support for the depleted terrain.
Sanum Utilin ® (Bacillus subtilis) — immune stimulation in chronic respiratory and terrain-weakness pictures.
Featured products

Sanum Latensin ® (Bacillus cereus)
Bacillus cereus immunobiological for chronic, recurrent states.

Sanum Recarcin ® (Bacillus firmus)
Bacillus firmus immunobiological for the depleted terrain.

Sanum Utilin ® (Bacillus subtilis)
Bacillus subtilis immunobiological for immune stimulation.
Explore the full United Remedies range — blending homeopathy from Heel, Guna and Sanum with Weleda’s plant-based topicals and Zooki’s liposomal supplements.
Practitioner FAQ
When in a SANUM programme are immunobiologicals introduced?
They are generally staged in after milieu and drainage work rather than at the outset, on the reasoning that a prepared terrain reacts more predictably. Because they stimulate immune reactivity, they are introduced cautiously once the groundwork is in place.
Why start at low potency and wide intervals?
Immunobiologicals can provoke a reaction, so the guiding principle is to start low and space widely, observe the strength of the response, and only then decide whether to hold, repeat or advance. The reaction itself informs the pace of the programme.
What are the key contraindications to consider?
Exercise particular caution in autoimmune disease, immunosuppression and pregnancy, and follow the manufacturer's contraindications and hypersensitivity precautions closely. These are immune-active preparations and should only be used under trained supervision within a considered plan.
Note: For qualified healthcare practitioners only. This material is educational and does not replace clinical judgement, individual patient assessment, or the manufacturer's official directions and contraindications. Injectable and practitioner-administered preparations must be used only by suitably trained clinicians observing local scope-of-practice and aseptic standards.