🔬Vitamins & Minerals

ascorbic acid

Ascorbic acid, or Vitamin C, is an essential vitamin and antioxidant that supports overall health but not a primary acute workout effect.

Clinical Dose: 250mgFound in: 100 products

What Does Ascorbic Acid Do?

While often viewed as a simple immune booster, Ascorbic Acid (Vitamin C) plays a nuanced role in a pre-workout context by managing oxidative stress and supporting nitric oxide bioavailability. It isn't a stimulant, but it helps protect your cells from the metabolic "exhaust" created during high-intensity training.

  • Nitric Oxide Support: Vitamin C helps prevent the degradation of Nitric Oxide (NO), potentially extending the duration of your pump and improving blood flow.
  • Cortisol Regulation: It may help mitigate the spike in cortisol levels following intense exercise, aiding in a faster transition from a catabolic to an anabolic state.
  • Antioxidant Protection: Neutralizes free radicals produced during heavy lifting, which can reduce exercise-induced oxidative damage to muscle tissues.
  • Collagen Synthesis: As a vital cofactor for collagen production, it supports the health of tendons and ligaments, which are under constant strain during heavy training.

Clinical vs. Gym Bro Dosing

TierDoseNotes
RDA Minimum75-90mgBasic health maintenance; prevents deficiency.
Standard Pre-Workout250mgCommon inclusion to support NO stability and general health.
Performance Support500mgOften used to manage oxidative stress during high-volume blocks.
High Dose1,000mg+Usually found in "immune support" stacks; may actually blunt some training adaptations.

Key Insight: While 250mg is the sweet spot for most pre-workouts to support blood flow, avoid mega-dosing (over 2,000mg) immediately around your workout. Excessive antioxidant intake can actually dampen the hormetic stress response required for muscle growth and mitochondrial adaptation.

Side Effects & Warnings

  • Gastrointestinal Distress: High doses (typically over 2,000mg) can lead to osmotic diarrhea, cramping, or nausea.
  • Blunted Adaptations: Excessive antioxidant supplementation may interfere with the signaling pathways that tell your muscles to grow and get stronger.
  • Kidney Stones: In predisposed individuals, very high chronic intake can increase the risk of calcium oxalate stones.

Tip: If your pre-workout contains a high dose of Vitamin C, try to keep your post-workout meal focused on whole foods rather than more supplements to ensure you aren't over-saturating your system and stalling your gains.