3000 mg grass-fed beef liver per serving delivers a potent source of protein, vitamins, and minerals for muscle recovery and growth
Includes digestive enzymes to aid in protein absorption and reduce digestive discomfort
Contains BCAAs to support muscle protein synthesis and recovery
Unflavored capsules for discreet, versatile use with any diet or meal
Free from artificial colors, flavors, and preservatives for clean supplementation
Summarized by Shop
Nutritionally Dense Superfood
From Grass-Fed Beef
Complete Protein
Supports Athletic Performance
Natural Growth Factors
Bodybuilders of the golden era thrived on desiccated liver. Back in the day, it was normal to see guys with a giant bottle of liver tabs in their gym bag. They'd take them by the handful. And with good reason. Desi
Serving Size
4 capsules
Servings Per Container
30
Grass-fed desiccated liver (bovine)
3000 mg per serving
Bioperine (piper nigrum fruit extract)
95% piperine, 5 mg per serving
Capsule Material
Gelatin, rice flour
Summarized by Shop
5.0
15 ratings
5
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3
2
1
Wont start a day without it.
At age 58 Proven Liver gives me the daily boost I need to get me thru a full work day and evening workout. I won’t go without it.
S
Stephen · May 7, 2024
Old school is new again
Beef liver sups were my go to 30 years ago when I started training. Finally found them again here at Gaspari nutrition and I can feel the difference again! Leave it to The Dragon Slayer to bring back what works!