Digestive Enzymes (Broad Spectrum) vs Saw Palmetto (Serenoa repens)

Mechanism

Broad-spectrum digestive enzyme complexes supplement endogenous pancreatic and brush border enzyme production. Key enzymes include: lipase (triglyceride hydrolysis to fatty acids/glycerol), protease/peptidase (protein to amino acids via peptide bond cleavage), amylase (starch to maltose/glucose), lactase (lactose to glucose/galactose), cellulase (plant fiber breakdown), and invertase (sucrose hydrolysis). They reduce osmotic load in the small intestine, decrease bacterial fermentation of undigested substrate, and improve nutrient bioavailability.

Standard Dosing

1-2 capsules with each main meal

Timing

Immediately before or at the start of each meal. Not needed for small snacks.

Cycle Duration

ongoing as needed

Side Effects

• GI cramping if taken without food
• Allergic reactions (rare)
• Mouth ulcers from chewing enzyme capsules
• Perianal irritation from lipase at very high doses

Contraindications

• Acute pancreatitis
• Known allergy to enzyme sources (porcine, fungal, fruit-derived)

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Mechanism

Saw palmetto berry extract contains fatty acids (lauric acid, oleic acid, myristic acid) and phytosterols (beta-sitosterol) that inhibit both isoforms of 5-alpha-reductase (types I and II), reducing conversion of testosterone to dihydrotestosterone (DHT). It also exhibits anti-androgenic activity by competing with DHT at androgen receptor binding sites. Additional mechanisms include: inhibition of cyclooxygenase and 5-lipoxygenase (anti-inflammatory in prostate tissue), induction of apoptosis in prostate epithelial cells, and relaxation of bladder smooth muscle via alpha-1 adrenergic receptor antagonism.

Standard Dosing

320mg daily (standardized to 85-95% fatty acids and sterols)

Timing

With food (fat-soluble lipophilic extract). Morning or evening.

Cycle Duration

Minimum 3 months to assess response; ongoing for maintenance

Side Effects

• Mild GI discomfort
• Headache
• Dizziness
• Rare: erectile dysfunction (DHT reduction)
• Rare: liver injury (case reports)

Contraindications

• Pregnancy (anti-androgenic — teratogenic potential for male fetus)
• Hormone-sensitive conditions (complex hormone modulation)
• Children

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