FRThorne Stress B-Complex
Détails du produit
Training breaks your body down. Recovery builds it back up. But there's a third factor most athletes overlook: the daily physiological stress of hard training quietly depletes your B vitamins faster than your diet can replace them.
When those stores run low, energy production slows, mood tanks, and your cortisol response — the mechanism that helps you bounce back from hard efforts — becomes out of balance.
Thorne Stress B-Complex is built specifically for this gap.
Active Forms Your Body Can Actually Use – Most B-complex supplements deliver inactive vitamin forms that your body has to convert before they work. Thorne skips that step entirely, delivering all eight B vitamins in tissue-ready, active forms — including methylcobalamin B12 and methylated folate (5-MTHF) — so absorption is immediate and efficient.
Extra B5 to Support Your Stress Response – Pantothenic acid (vitamin B5) is the nutrient your adrenal glands rely on to regulate cortisol, the hormone that manages your body's response to training stress. Most B-complexes give you a token dose. Thorne includes 250mg per serving, the level needed to meaningfully support adrenal function under real training loads.
Complete Neuro and Energy Support in One Capsule – Choline is added alongside the eight core B vitamins to support neurotransmitter production, sharper focus, and mood stability — all the things that quietly degrade when training volume climbs and recovery falls short.
Every B vitamin in this formula works synergistically to support cellular energy production, red blood cell formation, and healthy nervous system function. B vitamins are water-soluble, meaning your body doesn't store them — daily replenishment is essential, especially when your training output is high.
How to Use Thorne Stress B-Complex
Daily Maintenance: Take 1 capsule daily with breakfast to support baseline energy metabolism and cortisol regulation throughout your training cycle.
High-Stress Periods: During peak training blocks or travel-heavy race seasons, take 1 capsule up to three times daily, split across meals, as recommended by your healthcare practitioner.
Pro Tip: Morning dosing with food is ideal — B vitamins are energizing by nature and may interfere with sleep if taken too late in the day.
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