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by John Neustadt (Author), Steve Pieczenik (With)
Biochemical testing is a revolutionary concept in medicine that has saved many lives and improved the health of countless others. Symptoms and diseases have underlying biochemical causes, and advanced testing technologies can now detect the exact steps within pathways causing diseases, including depression, fatigue, adult-onset asthma, seizure disorders, multiple sclerosis, osteoporosis, diabetes, metabolic syndrome, irritable bowel syndrome, memory loss, and more. Biochemical abnormalities may then be corrected using targeted nutrient therapies. Nutritional Biochemistry is a revolutionary approach that is redefining medicine and providing clinicians the ability treat the underlying causes of disease instead of just ameliorating symptoms with drugs.
"The principles set out in this book are at the same time both ancient and revolutionary. Ancient because they have been known and followed for thousands of years, but revolutionary in our time because they run counter to the approach to health with which all of us have grown up. The principles are simple: 1) most medical approaches treat symptoms not causes; 2) most pharmaceuticals and medicines are intended to destroy something, not add something; 3) with our modern lives and diet, most people are lacking one or more things essential to the proper functioning of the body and need to add them, both to eliminate existing problems and to maintain optimum health. These principles are always a supplement, sometimes an alternative, to conventional medicine. I cite my own successful experience that they work when conventional treatments have not done so."
-John W. Hanes, Jr.
Former Director, Squibb Corp.
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Shipping information
- Free Shipping* on all orders over $300 USD to most countries* Estimated delivery: 2-5 business days Mon-Sat to U.S., CA, EU etc.
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- Store 7994 Shipping policy
- Global delivery in 3–9 business days (location dependent).
- Free Worldwide Shipping $300+. International duties & VAT are calculated by destination country and may be collected upon delivery. UK orders are subject to 20% import VAT upon delivery.

Our innovation isn’t just in the brands we carry — it’s in the way we connect them. From our automation engine that keeps collections globally updated to our commitment to authenticity-first presentation, STORE 7994 exists where timeless design meets modern precision.
Every product we offer is:
Elevated · Intentional · Exclusive · Authentic
STORE 7994 is an authorized reseller of luxury fashion houses. Certificates and proof of authenticity are available to brand owners and partners upon request.
Returns & Refunds
We want you to shop with confidence at STORE 7994. If your purchase does not meet expectations, eligible items may be returned under the conditions below.
Return Eligibility
Items must be unused, unworn, and in original condition with all tags, packaging, and accessories included. Items showing any signs of wear or damage will not be accepted.
Return Window
Return requests must be made within 14 days of delivery.
Return Shipping
Customers are responsible for return shipping costs unless the item is defective, damaged, or incorrect.
Luxury Items
Items valued over $1,000 may be subject to a 7% restocking fee upon approved return.
Non-Returnable Items
For hygiene and product integrity reasons, the following items are final sale once opened or used:
• Underwear
• Fragrances
• Any worn or used items
Made-to-Order Items
Custom-designed products, including STORE 7994 hoodies, are made exclusively for each customer and are final sale. These items are not eligible for return or exchange unless defective or incorrect.
If you receive a defective or incorrect item, please contact us and we will make it right.
International Shipping & Duties
Many of our products ship directly from trusted international partners. Any applicable customs duties or import taxes are calculated at checkout and are non-refundable, even if the item is returned.
Returns & Associated Fees
All approved returns are subject to a $24 return processing fee. For international orders, duties, taxes, and return fees will be deducted from the original payment.
Shipping Policy
Complimentary shipping is offered on orders over $300. Orders below this threshold are subject to standard shipping rates at checkout.
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