Protesan S
Protesan S
¥41,580 JPY
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Protesan S
Patented lactic acid bacteria material FK-23 · Equivalent to 4 trillion per packet · Yogurt equivalent of 400L · 62 packets included
“Protesan S” is a main product in the long-selling “Protesan” series manufactured by Nichinichi Pharmaceutical for over 30 years since its founding in 1987. It contains a high concentration of lactic acid bacteria material FK-23 equivalent to 4 trillion per packet (1.5g), yogurt equivalent of 400L.
Among the Protesan series lineup (B: 300 billion → R: 1 trillion → S: 4 trillion → S3: 12 trillion), Protesan S is a main product with an excellent balance of high concentration and ease of use as a Stick granule type FK-23 product. Ingredients are only FK-23, oligosaccharides, cornstarch, and cellulose, with no fragrances or sweeteners. Allergen-free formula.
Stick granule packaging that can be taken as is with water or other drinks (no need to dissolve). Recommended 2 to 6 packets per day, adjustable according to condition and purpose.
* This product is a food (lactic acid bacteria-containing food) and is not intended for diagnosis, treatment, or prevention of diseases.
Nichinichi Pharmaceutical’s lactic acid bacteria supplements use three types of lactic acid bacteria materials processed differently. All are made from the same bacteria called Enterococcus faecalis, but their properties and names differ depending on the depth of processing.
A material where Enterococcus faecalis is heat sterilized and concentrated. The bacterial bodies remain intact and are absorbed from the Peyer’s patches in the small intestine. Used in the Protesan series (B, R, S, S3). Holds 6 patents.
A material where FK-23 is further treated with enzyme processing to dissolve the bacterial cell walls and extract internal components (nucleic acids, vitamins, minerals, etc.). Used in the Chisa series (Ferna and White). Holds 6 patents.
A unique special processed lactic acid bacteria material from Nichinichi Pharmaceutical that combines the characteristics of both FK-23 and LFK. Used in Protesan Every II.
Compare the full lineup of Nichinichi Pharmaceutical’s lactic acid bacteria supplements including Protesan S. Choose the product that suits you based on differences in materials, concentration, and formulation.
| Comparison items | FK-23 material (heat treatment) | LFK material (heat + enzyme treatment) | MK-116 (FK-23 + LFK) | ||||
|---|---|---|---|---|---|---|---|
| Protesan B | Protesan R | 🟢 Protesan S (this product) | Protesan S3 | Chisa Ferna | Chisa White | Every II | |
| Lactic acid bacteria material | FK-23 | FK-23 | FK-23 | FK-23 | LFK | LFK | MK-116 |
| Processing method | Heat treatment only | Heat treatment only | Heat treatment only | Heat treatment + enzyme treatment | Heat treatment + enzyme treatment (Both FK-23 and LFK) |
||
| Content per 1 packet | 300 billion | 1 trillion | 4 trillion | 12 trillion | 2.2 trillion | 650 billion | 1.2 trillion |
| Yogurt equivalent | 30L | 100L | 400L | 1,200L | 220L | 65L | 120L |
| Amount per 1 packet | 1.0g | 1.2g | 1.5g | 3.3g (soluble type) | 1.5g | 1.0g | 1.0g |
| Quantity | 31 packets | 62 packets | 62 packets | 31 packets / 186 packets | 30 packets | 30 packets | 62 packets |
| Oligosaccharides | ✅ | ✅ | ✅ | — | — | — | ✅ |
| Indigestible dextrin | ✅ | ✅ | — | — | — | — | ✅ |
| Intake without water | ✅ Allowed | ✅ Allowed | ✅ Allowed | ❌ Requires dissolution | ✅ Allowed | ✅ Allowed | ✅ Allowed |
| Allergens | Free | Free | Free | Free | Egg | Egg and gelatin | Egg |
| Expiration Date | 3 years From production | 3 years From production | 3 years From production | — | 2 years From production | — | — |
| Nutritional Components | Per packet (1.5g) |
|---|---|
| Energy | 5.4 kcal |
| Protein | 0.62 g |
| Fat | 0.029 g |
| Carbohydrates | 0.66 g |
| Salt Equivalent | 0.00074–0.0025 g |
| Potassium | 18–38 mg |
| Phosphorus | 35 mg |
* Some packages may display nutritional values per 2 packets (Energy 11kcal, Protein 1.2g, Fat 0.057g, Carbohydrates 1.3g, Salt equivalent 0.0019g, Potassium 63mg).
* Please consume with water or other beverages. Adjust the amount according to your condition and purpose, aiming for 2–6 packets per day. The lactic acid bacteria material is heat-resistant, so it can be mixed into warm drinks or dishes.
| Product Name | Lactic Acid Bacteria-Containing Food (Granules) |
|---|---|
| Net Weight | 93.0g (1.5g × 62 packets) |
| Lactic Acid Bacteria Content (per packet) | Equivalent to 4 trillion (400L of yogurt) |
| Daily Recommended Amount | 2–6 packets |
| Ingredients | Lactic acid bacteria (heat-treated) (domestically produced), oligosaccharides, cornstarch / cellulose |
| Allergens | No use of any of the 28 specified allergenic ingredients (Allergen-Free) |
| Expiration Date | 3 years From production |
| Storage Method | Store in a cool, dry place away from direct sunlight and high humidity. |
| Country of Manufacture | Japan |
| Manufacturer | Nichinichi Pharmaceutical Co., Ltd. |
| Model Number | PS62 |
| JAN Code | 4515158190573 |
This product does not contain any of the 28 specified allergenic ingredients (egg, milk, wheat, shrimp, crab, peanuts, buckwheat, walnut, soy, beef, pork, chicken, gelatin, abalone, squid, salmon roe, orange, cashew nuts, kiwi fruit, sesame, salmon, mackerel, banana, peach, yam, apple, almond, matsutake mushroom). It is safe for people of all ages, including infants and the elderly, and those with food allergies.
- This product is a food (lactic acid bacteria-containing food). It is not a medicine and is not intended for diagnosis, treatment, or prevention of diseases.
- Follow the daily recommended amount (2–6 packets) and avoid excessive intake. Consuming large amounts will not cure diseases or improve health further.
- If you are pregnant, breastfeeding, under medical care, or taking medication, please consult your doctor before use.
- If you feel it does not suit your constitution, reduce the amount used or discontinue use.
- Do not consume products past their expiration date.
- Keep out of reach of infants and toddlers.
- Consume as soon as possible after opening.
- Maintain a balanced diet based on staple foods, main dishes, and side dishes.
- Store in a cool, dry place away from direct sunlight.
- Consume as soon as possible after opening.
- Keep out of reach of infants and toddlers.
