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General Tonic

Original General Tonic

Harker Herbals Formula 566 Original General Tonic. Blood and Cell Purification Tonic. Burdock, Kumarahou and Manuka. General Tonic for constitutional blood and skin health. A daily, mineral-rich tonic promoting blood and skin health. Helps to purify the blood. Excellent tonic for dry irritated skin conditions. Formula 566 is contains curatory plant elements, minerals and vitamins for cleansing and toning. General Tonic works on the blood, lymph cells and skin. This tonic has been used to help raise energy levels in all the cells of the body and glands, organs and tissues. Used for skin problems such as psoriasis, eczema and other inflammatory skin problems. 250ml

Updated Formula

RRP $32.00, price $29.95.

250 ml Print this page


Harker Herbals


250 ml

Common Uses

Formula 566 General Tonic can be used to help with the following:

  • Supports healthy blood and lymphatic fluid detoxification, reaching every cell, gland and organ in the Human organism.
  • Especially recommended for skin problems.
  • A classical tonic for those under stress (domestic, business, corporate).
  • Daily Purification / Energy Tonic – relieves fatigue, stress.
  • Helps dissolve out acid-mucus from stomach, intestinal tract, protein globules from the blood, & other poisonous wastes and accumulated toxins from the cells and lymphatic fluid.
  • Works through the digestive system, liver, spleen and pancreas to help cleanse and rejuvenate the bloodstream.


In chronic cases such as diabetes or advanced psoriasis, use Formula 566 - General Tonic - first to gently coax cleansing and help in the regeneration process before the use of a specific elixir.

Suggested Dosage

Shake vigorously before use.

Adults: 5-10ml 3-4 times daily, Children: 1/2 adult dose. Baby (over 1 year) 1/4 adult use. Swill for 10 seconds before swallowing.

Harkers Healthy Tip: For best results use with a healthy balanced diet, regular exercise and adequate rest. Eat plenty of leafy greens, wholegrains, vegetables, fruits, nuts, seeds, Formula 1022 Rich Mineral Sea Salt and pure water.


Active Ingredients: Burdock, Horsetail, Kumerahou, Yellow dock.  Herbs: Angelica, Carrageen, Cayenne, Chamomile, Echinacea Root, Ginger Root, Licorice Root, Manuka, Oatstraw, Rhubarb Root, Tumeric.  Pure Essential Oils: Cedarwood, Clove, Jojoba, Lemon, Manuka, Orange. Plus: Celtic Sea Salt, Citric Acid, Organic Iodine, Vegetable Glycerine. 

Contains no yeast, gluten, wheat, dairy products, artificial colours or sweeteners.


Keep out of reach of Children. Caution: Not to be taken in pregnancy or lactation. Consult your health professional if suffering a thyroid condition, taking blood thinners or blood pressure medication.

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Harker Herbals



Free shipping

All supplement orders over NZ$50 are delivered freight free NZ wide right to your door.
Food items and cleaning products may be excluded from freight free - we will contact you if additional delivery charges apply in these instances. A charge of $3.50 will apply to all rural delivery.


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