Flex (GT)™

TCM herbal formula for gout prevention and gouty arthritis — decreases uric acid absorption; increases uric acid elimination; analgesic; anti-inflammatory; antipyretic; strengthens Spleen and Stomach; drains damp-heat; opens channels and collaterals; relieves pain

⚠️ Do not use in cases of deficiency and cold. This formula is designed to prevent gout — it is not designed to treat acute gout attacks. Do not use heat packs for gout, as it is a condition characterized by heat.

CLINICAL APPLICATIONS

* Gout

* Gouty arthritis

Background: Gout is a form of arthritis characterized by sudden, severe attacks of pain, tenderness, redness, warmth, and swelling in certain joints — usually the large toe, but also the knee, ankle, foot, hand, wrist, and elbow. Gout is caused in part by excessive intake of food rich in uric acid, or decreased excretion of uric acid through the kidneys. As uric acid deposits accumulate in the joints, they cause severe pain.

TCM perspective: Gout is generally considered as bi zheng (painful obstruction syndrome) with damp-heat. The presence of damp-heat begins with the inability of the Spleen and Stomach to adequately transform and transport food, followed by accumulation of damp-heat blocking the channels and collaterals — leading to severe pain. This correlates with the Western concept of gout, which starts with improper diet followed by excessive accumulation of uric acid. Optimal treatment requires herbs to strengthen the Spleen and Stomach, drain damp-heat, open the channels and collaterals, and relieve pain.

Key herb-level clinical data:

— Huang Bo (Cortex Phellodendri Chinensis / Phellodendron): key herb for gout — reduces serum uric acid levels and inhibits liver xanthine oxidase activity (artificially-induced gout study); anti-inflammatory — inhibits IL-1β and TNF-α production in a dose-dependent manner (NF-κB pathway)

— Jin Qian Cao (Herba Lysimachiae / Lysimachia): potent hypouricemic effect — reduces plasma uric acid levels in subjects with hyperuricemia; one of the most effective herbs to treat accumulation of uric acid crystals and stones — gallstones, urinary stones, and bladder stones

— Ze Xie (Rhizoma Alismatis / Alisma / Water Plantain): drains damp-heat; expels uric acid; significant diuretic effect — flushes sodium, potassium, and calcium oxalate; inhibits crystal and stone formation — downregulates bikunin mRNA expression and decreases calcium oxalate formation in the kidney

— Che Qian Zi (Semen Plantaginis / Plantago / Psyllium Seed): drains damp-heat; expels uric acid; significant diuretic effect; anti-inflammatory — inhibits nitric oxide production in vitro

— Zhi Mu (Rhizoma Anemarrhenae / Anemarrhena): anti-inflammatory — clears heat; reduces painful swelling of joints; inhibits COX-2, iNOS, and 5-lipoxygenase

— Shi Gao (Gypsum Fibrosum / Gypsum): clears heat; reduces inflammation and burning sensation of the joints

— Huang Bo + Shi Gao + Zhi Mu + Di Huang combined: clear heat and sedate fire — reduce inflammation and burning sensation

— Di Huang (Radix Rehmanniae / Rehmannia): clears heat; anti-inflammatory — increases plasma levels of adrenocortical hormones even in the presence of dexamethasone (endocrine system influence)

— Ji Xue Teng (Caulis Spatholobi / Spatholobus): opens channels and collaterals; anti-inflammatory — inhibits COX, phospholipase, and lipoxygenase

— Chi Shao (Radix Paeoniae Rubra / Red Peony): activates blood circulation; relieves pain

— Cang Zhu (Rhizoma Atractylodis / Atractylodes): strengthens Spleen and Stomach; resolves dampness and swelling

— Yi Yi Ren (Semen Coicis / Coix / Job's Tears): strengthens Spleen and Stomach; resolves dampness and swelling; diuretic

— He Zi (Fructus Chebulae / Chebula / Terminalia): astringent — reduces swelling and inflammation

— Wu Bei Zi (Galla Chinensis / Chinese Gall): astringent — reduces swelling and inflammation

WESTERN THERAPEUTIC ACTIONS

* Decreases uric acid absorption; increases uric acid elimination — Huang Bo (xanthine oxidase↓, serum uric acid↓); Jin Qian Cao (plasma uric acid↓, hyperuricemia, crystals and stones); Ze Xie + Che Qian Zi (diuretic — flushes uric acid, sodium, potassium, calcium oxalate; Ze Xie: crystal formation↓)

* Anti-inflammatory — Zhi Mu (COX-2↓, iNOS↓, 5-LO↓); Huang Bo (IL-1β↓, TNF-α↓, NF-κB↓); Ji Xue Teng (COX↓, phospholipase↓, lipoxygenase↓); Che Qian Zi (NO↓); Di Huang (adrenocortical hormones↑)

* Antipyretic / clears heat — Shi Gao, Zhi Mu, Huang Bo, Di Huang (heat↓, burning sensation↓, inflammation↓)

* Analgesic — Chi Shao (blood circulation↑, pain↓); Zhi Mu

* Astringent / reduces swelling — He Zi, Wu Bei Zi

CHINESE THERAPEUTIC ACTIONS

* Strengthens Spleen and Stomach; resolves dampness and swelling (Cang Zhu, Yi Yi Ren)

* Drains damp-heat; expels uric acid through urination (Jin Qian Cao, Ze Xie, Che Qian Zi)

* Clears heat; sedates fire; reduces inflammation and burning sensation (Shi Gao, Zhi Mu, Huang Bo, Di Huang)

* Opens channels and collaterals (Ji Xue Teng)

* Activates blood circulation; relieves pain (Chi Shao)

* Astringent; reduces swelling and inflammation (He Zi, Wu Bei Zi)

DOSAGE

Standard: 4 capsules three times daily. Begin herbal therapy immediately upon noticing the first warning signs of gout. Days 1–2: dosage may be doubled for faster onset of action. Maintenance/prevention: reduced dosage as needed for long-term prevention.

Supplementary formulas: Severe pain — combine with Herbal ANG. Severe swelling and inflammation — combine with Astringent Complex. Gout with obesity — use with Herbalite to reduce body weight. Gout with diabetes — use with Equilibrium to control blood glucose. Gout with hyperlipidemia — use with Cholisma to reduce cholesterol and triglycerides. Gout with obesity and high cholesterol — add Cholisma (ES). Gout with kidney stones — add Dissolve (KS). Hypertension — add Gastrodia Complex or Gentiana Complex.

Nutrition: Hai Zao (Sargassum) and Kun Bu (Ecklonia) are helpful — they contain protein and vital minerals that reduce uric acid levels in the blood. Adequate vitamin C and bioflavonoids (3,000–5,000 mg daily) help reduce uric acid levels in the blood. Essential fatty acids are beneficial for gout — needed to repair tissues and heal joint disorders. Avoid purine-rich foods that increase uric acid: meat, bone broth, gravies, meat extracts, seafood (anchovies, fish roes, herring, sardines, mussels), shellfish, internal organ meats (liver and kidneys), beer and other alcoholic beverages, spinach, asparagus, mushrooms, and cauliflower. Increase intake of cherries, blueberries, and strawberries — excellent for neutralizing uric acid. Always consume adequate distilled water and avoid tap water whenever possible — helps flush out uric acid crystals. After a gout attack, eat only raw fruits and vegetables for approximately 1–2 weeks.

Key principle: Optimal treatment lies not in drugs or herbs alone, but in commitment to diet and lifestyle changes. Long-term success requires decreasing intake and increasing elimination of uric acid.

CASE STUDY

— 63-year-old female (Y.J.): Arthritis and gout pain throughout feet, fingers, wrists, and arms; joint inflammation, redness, inability to extend joints; sharp burning pain; BP 132/61, HR 73; qi and blood stagnation (TCM). Flex (GT) + Herbal ANG + acupuncture. Result: pain reduced from 9 to 5; improved range of motion; less stiffness compared to initial treatment.

Related Reading

Also see: Flex (Heat) – for hot arthritis and rheumatic heat disorders | Astringent Complex – for severe swelling and inflammation | Herbal ANG – to enhance analgesia | Dissolve (KS) – for kidney stones with gout | Herbalite – for gout with obesity | Equilibrium – for gout with diabetes | Cholisma – for gout with hyperlipidemia | Gastrodia Complex – for gout with hypertension | Pain Relief & Musculoskeletal Support Collection.