Only Natural Pet Antioxidant Boost

Only Natural Pet's Antioxidant Boost supplement protects cells from being altered or destroyed by free radicals (unstable oxygen atoms). In addition to the key antioxidants, vitamins A,C,E, and Selenium, this formula also contains CoEnzyme Q10 and the antioxidant enzymes S.O.D. and Catalase. This formula of 20 vital ingredients works synergystically to support antioxidants, immune system and detoxification functions in dogs and cats.

Antioxidant Boost 440 is for cats and small - medium sized dogs (60 caps per bottle), and 880 is for large dogs (120 caps per bottle).

If you have any questions about the supplements or products you have purchased, please call our toll-free number or email us at [email protected].

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Country of Origin: USA

Manufacturer: Only Natural Pet

Active Ingredients per Capsule

Vitamin/Mineral Antioxidant Boost 440 Antioxidant Boost 880
Vitamin C (Ascorbic Acid and Magnesium Ascorbate) 125 mg 250 mg
Vitamin E (d-alpha Tocopheryl Succinate) 37.5 IU 75 IU
DL-Methionine (Enteric Coated) 12.5 mg 25 mg
L-Cysteine (Enteric Coated) 12.5 mg 25 mg
L-Glutathione (Enteric Coated) 12.5 mg 25 mg
Alpha Lipoic Acid 10 mg 20 mg
Magnesium (as Magnesium Ascorbate) 9.38 mg 18.75 mg
Beta Carotene 1,875 IU 5,250 IU
L-Lysine HC1 6.25 mg 12.5 mg
Pyridoxine HC1 (Vitamin B6) 5 mg 10 mg
Hesperidin 5 mg 10 mg
Rutin 5 mg 10 mg
Catalase (Enteric Coated) 10 mg 10 mg
Zinc (as Zinc Picolinate and Zinc Citrate) 3.75 mg 7.5 mg
Vitamin A (Palmitate) 1,250 IU 1,000 IU
Super Oxide Dismutase (Enteric Coated) 625 Units 1,250 Units
Quercitin 2.5 mg 5 mg
Naringen 2.5 mg 5 mg
CoEnzyme Q10 (Ubiquinone) 1.25 mg 2.5 mg
Pyridoxal 5-Phosphate (Vitamin B6) 1.25 mg 2.5 mg
Manganese (as Manganese Gluconate) 0.25 mg 0.5 mg
Copper (as Copper Gluconate) 0.06 mg 0.125 mg
Selenium (as Selenium Amino Acid Chelate) 0.0125 mg 0.025 mg
Molybdenum (as Molybdenum Amino Acid Chelate) 0.00625 mg 0.0125 mg

Inactive Ingredients

Antioxidant Boost 440 - gelatin, cellulose, magnesium oxide, vegetable leucine

Antioxidant Boost 880 - gelatin, cellulose, magnesium oxide, vegetable leucine

Directions for Use

Antioxidant Boost 440 - Give one capsule per 10 lbs of body weight daily. If giving more than 1 capsule, divide between AM and PM.

Antioxidant Boost 880 - Give one capsule per 20 lbs of body weight daily.


  • Safe use in pregnant animals or animals intended for breeding has not been proven.
  • If animal’s condition worsens or does not improve, stop product administration and consult your veterinarian.
  • This product contains Quercitin. Do not use with blood thinners.
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