| Disease | CONCLUSION: ACUTE RHODIOLA ROSEA INTAKE CAN IMPROVE ENDURANCE EXERCISE CAPACITY IN YOUNG HEALTHY VOLUNTEERS. THIS RESPONSE WAS NOT ALTERED BY PRIOR DAILY 4-WK RHODIOLA INTAKE.
STUDY (N=12) WAS PERFORMED. SUBJECTS UNDERWENT SESSIONS 3 AND 4, IDENTICAL TO PHASE I, SEPARATED BY A 4 WK R/P INTAKE, DURING WHICH SUBJECTS INGESTED 200 MG R/P PER DAY. FOUR WK R INTAKE DID NOT ALTER ANY OF THE VARIABLES MEASURED.
PULMONARY VENTILATION (P=.07) TENDED TO INCREASE MORE DURING R THAN DURING P(P:115.9+/-7.7 L/MIN; R: 124.8+/-7.7 L/MIN). ALL OTHER PARAMETERS REMAINED UNCHANGED. PHASE II: A DOUBLE-BLIND PLACEBO-CONTROLLED
INCREASED (P<.05) TIME TO EXHAUSTION FROM 16.8+/-0.7 MIN TO 17.2+/-0.8 MIN ACCORDINGLY. VO2PEAK (P<.05) AND VCO2PEAK (P<.05) INCREASED DURING R COMPARED TO P FROM 50.9+/-1.8 ML X MIN(-1) X KG(-)1 TO 52.9+/-2.7 ML X MIN(-10) X KG(-1)(VO2PEAK).
TORQUE AND ENDURANCE EXERCISE CAPACITY WERE TESTED. FOLLOWING A 5 DAY WASHOUT PERIOD, THE EXPERIMENTAL PROCEDURE WAS REPEATED, WITH THE TREATMENT REGIMEN BEING SWITCHED BETWEEN GROUPS (SESSION 2). COMPARED WITH P, ACUTE R INTAKE IN PHASE I
STARCH) SPEED OF LIMB MOVEMENT (PLATE TAPPING TEST), AURAL AND VISUAL REACTION TIME, AND ABILITY TO SUSTAIN ATTENTION (FEPSY VIGILANCE TEST) WERE ASSESSED. DAY2: FOLLOWING THE SAME INTAKE PROCEDURE AS ON DAY 1, MAXIMAL ISOMETRIC KNEE-EXTENTION
RANDOMIZED STUDY (N=24) WAS PERFORMED, CONSISTING OF 2 SESSIONS (2 DAYSPER SESSION). DAY1: ONE HR AFTER ACUTE RHODIOLA ROSEA INTAKE (R,200 MG RHODIOLA ROSEA EXTRACT CONTAINING 3% ROSAVIN+1% SALIDROSIDE PLUS 500 MG STARCH) OR PLACEBO (P,700 MG
THE PURPOSE OF THIS STUDY WAS TO INVESTIGATE THE EFFECT OF ACUTE AND 4 WK RHODIOLA ROSEA INTAKE ON PHYSICAL CAPACITY, MUSCLE STRENGTH, SPEED OF LIMB MOVEMENT, REACTION TIME AND ATTENTION. PHASE I; A DOUBLE BLIND PLACEBO-CONTROLLED |