Key Benefits

• Start your day with nutrient-rich support from grass-fed suet and kidney fat.

• Enjoy convenient, freeze-dried capsules for easy daily use.

• Every batch is third-party tested for quality and purity.

• 100% free from additives, hormones, allergens, antibiotics, pesticides, and GMOs.

Experience the tradition of nose-to-tail nutrition with Firestarter. Sourced from grass-fed and finished suet (perinephric kidney fat), each capsule is carefully rendered at low temperatures to help preserve its natural nutrients. This gentle process ensures you get a high-quality supplement, designed for those seeking a simple way to add animal-based nutrition to their routine. Every batch is independently tested, so you can trust in its purity and quality. Firestarter is 100% additive, hormone, allergen, antibiotic, pesticide, and GMO-free—pure nourishment, made simple.

What's inside?

• Stearic Acid: A naturally occurring fatty acid found in suet and kidney fat, supporting your daily nutrition.

• Essential fatty acids: Present in grass-fed suet and kidney fat, these are part of a balanced diet.

• Vitamin E: Naturally present in animal fats, vitamin E contributes to the protection of cells from oxidative stress.

• Vitamin K2: Found in grass-fed animal fats, vitamin K2 helps maintain normal bones.

Heart & Soil was founded by Dr. Paul Saladino, MD, a board-certified physician and nutrition expert with a passion for ancestral health. Inspired by his medical training and a deep understanding of nutritional biochemistry, Dr. Saladino created Heart & Soil to reconnect people with the nourishing power of organ meats. His journey began with a mission to help others reclaim their health through nature’s most nutrient-rich foods, promoting vitality and strength by embracing the nose-to-tail approach.

The brand formulates its products using 100% grass-fed and pasture-raised organs sourced from regenerative farms in New Zealand and the United States. Each product is crafted to retain maximum nutrient bioavailability, delivering essential vitamins, minerals, and growth factors in their purest form. Heart & Soil’s mission is simple yet profound: to provide powerful, nutrient-dense products that help people thrive while prioritising ethical animal care and ecosystem health that sustain us.

With our Healf Curation Process, we do the work for you. Shop with confidence knowing that every item has been tried, tested, and curated for you.

Learn more about each step—Brand Discovery, Expert Validation, and Community Testing—here.

New Zealand Grass-Fed Suet (Bovine) Prized Perinephric (Kidney) Fat, Gelatin (capsules)

Take six capsules once daily. If you’re new to organ supplements, start with 1-2 capsules daily for the first week, then increase by one capsule each day until you reach the full serving.

Additional Information:

Food supplements and foods sold by Healf should not be used as a substitute for a varied, balanced diet and healthy lifestyle.

If you are pregnant, breastfeeding, have a medical condition, or are taking any medications, please consult with a healthcare professional before use. Use products only if the seal is intact. Store in a cool, dry place, out of the reach of young children. Do not exceed the recommended daily intake.

We make every effort to ensure that product information on our website is accurate and up to date, but packaging and ingredients may occasionally vary from images shown on site. Please refer to the product label and contact Healf before use if you have any questions regarding your specific allergies or intolerances.